Instruction/ maintenance manual of the product PT878GC GE
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T ransP or t™ PT878GC P or table Gas Flowmeter.
April 2004 P rocess Contr o l Instruments T ransP or t™ PT878GC P or table Gas Flo wmeter Operation & Installation Guide 910-229A.
iii April 2004 Wa r r a n t y Each instrument manufactured by GE Panametr ics is warranted to be free from defects in material and workmanship. Liability under this warranty is limited to restoring the instr u me nt to normal operation or replacing the instrument , at the sole discretion of GE Panametrics.
April 2004 iv Return Policy If a GE Panametrics instrument ma lfunctions within the warranty period, the following pro ced ure must be completed: 1. Notify GE Panametrics, giving full details of th e problem, and provide the model nu mber and serial n umber of the instrument.
v April 2004 T able of Content s Chapter 1: Features and Cap abilities Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 System Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 The Flowcell.
April 2004 vi T able of Content s (cont.) Chapter 3: Inst alling the Da mpening Material, T ransducers and Fixtures (cont.) Installing Dampening Material . . . . . . . . . . . . . . . . . . . . . 3-20 Installing DMP-1 Dampenin g Material with CFG-V Series Fixtures .
vii April 2004 T able of Content s (cont.) Chapter 5: Creating and Man aging Sites The Site Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 Creating a New Site . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4 Opening an Existing Site .
April 2004 viii T able of Content s (cont.) Chapter 7: Programming Meter Settings Entering the Meter Menu . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2 Selecting Measurement Units . . . . . . . . . . . . . . . . . . . . . . . 7-3 The Battery Char ger .
ix April 2004 T able of Content s (cont.) Chapter 8: Logging Dat a Entering the Logging Menu . . . . . . . . . . . . . . . . . . . . . . . . 8-2 The Log Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-3 The File Menu. . . . . .
April 2004 x T able of Content s (cont.) Chapter 9: Servicing the PT878GC Entering the Service Menu . . . . . . . . . . . . . . . . . . . . . . . . . 9-2 Printing Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3 Setting up the Thickness Gauge .
xi April 2004 T able of Content s (cont.) Chapter 10: Diagnostics and T roubleshooting Error Code Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2 Displaying Diagnostic Parameters . . . . . . . . . . . . . . . . . . 1 0-6 Flowcell Problems .
April 2004 xii T able of Content s (cont.) Chapter 1 1: Specifications Operation and Performance . . . . . . . . . . . . . . . . . . . . . . . 1 1-2 Fluid Types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2 Pipe Sizes . . . . .
xiii April 2004 T able of Content s (cont.) Chapter 1 1: Specifications (cont.) Thickness Gauge Option. . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-8 Transducer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-8 Pipe Thickness Range .
Features and Capabilities 1-1 April 2004 Chapter 1 Features and Cap abilities The T ransPort ® Model P T878GC is a tra nsit-time clamp-on gas flowmeter which combines all the features of a full-size gas flowmeter with the advanta ges of a portable instrument.
April 2004 1-2 Features and Capabilities Overview (cont.) The T ransPort has the ability to stor e site data in files which can be accessed at a later time. W ithin the Main Menu, a set of forms (windows) asks you all the necessary setup information for a particular site.
Features and Capabilities 1-3 April 2004 System Description The T ransPort is only one part of the flowmeter system. The other part of the system is the flowcell, which consists of the pipe and the transducers. The Flowcell The flowcell is that part of the system that uses ultrasonic pulses to interrogate the flow .
April 2004 1-4 Features and Capabilities Electronics Package The T ransPort consists of circu its that generate , receive, and measure the travel time of the ultras onic pulses. It also contains a microcomputer that controls operation and calculates flow measurement parameters.
Features and Capabilities 1-5 April 2004 Theory of Operation The T ransPort is a transit-time ultrasonic flowmeter . When ultrasonic pulses are transmitted through a moving liquid or gas, the pulses that travel in the same dire ction as the fluid flow (downstream) travel slightly faster than the pulses that travel against the flow (upstre am).
Initial Setup 2-1 April 2004 Chapter 2 Initial Setup Before making measurements, you must prepare the T ransPort for operation. This includ es the following procedures: • Making Electrical Connectio.
April 2004 2-2 Initial Setup Making Electrical Connections Before making measurements with the T ransPort, you must make all the necessary connections to the unit.
Initial Setup 2-3 April 2004 !W ARNING! T o ensure the safe operation of the T ransPort, you must inst all and ope rate it as described in this manual. In addition, be sure to fo llow all applicable safety codes and reg ulations for inst alling electrical equipment in yo ur area.
April 2004 2-4 Initial Setup Analog Input/Output Connections (cont.) The Infrared Wireless Interface The P T878GC comes equipped with an internal infrared transceiver (see Figure 2-2 on page 2-2) that.
Initial Setup 2-5 April 2004 Charging and/or Replacing Batteries The P T878GC comes with self-contained, built-in rechar geable batteries to support po rtable operation. For optimum performance, these batteries require a minimum of maintenance. Charging the Batteries When you receive the P T878GC, y ou will need to initially char ge the batteries.
April 2004 2-6 Initial Setup Replacing the Batteries Caution! Replace batteries only with the spe cified rechargeable batteries. The battery cha rges when the unit is of f.
Initial Setup 2-7 April 2004 Powering On and Off T o operate the P T878GC, the powe r cord must be plugged into line voltage or the battery mu st be char ged as described previously . IMPORT ANT : For CE compliance, the PT878GC is classified as a battery-power ed devi ce, and cannot be used with the AC adaptor .
April 2004 2-8 Initial Setup Powering On and Off (cont.) After the meter conducts all th e self checks, the screen then appears similar to the one shown in Figure 2-4 below . Figure 2-4: Screen Af ter Powering On 2004/1 1/30 09:53 AM V elocity , ft/s Signal, dB 0.
Initial Setup 2-9 April 2004 Powering On and Off (cont.) T o turn the P T878GC off, p re ss the red key for 3 seconds . The screen now appears similar to Figure 2-5 be low . Figure 2-5: The Shut down Menu Three options are available: • Press [F1] to shut down the P T878G C, turning it completely off.
April 2004 2-10 Initial Setup Using the Screen and Keypad The essential features for operating the T ransPort are the screen and keypad. Although these features are common on portable instruments, the P T878GC design offers unique features to simplify and speed operation.
Initial Setup 2-1 1 April 2004 Screen (cont). The middle of the screen is the work ar ea, which displays the measured parameters, numeric me asurements, and both bar an d line graphs. (When you ente r a selection on the Main Menu discussed in Chapter 4, Pr ogramming Site Data , this area displays menu prompts.
April 2004 2-12 Initial Setup Keypad The P T878GC keypad has 25 keys. The functions for each key are as follows (see Figure 2-7 on the next page): • 3 function keys ( [F1] , [F2] , [F3] ) — enable you to select the special functions which appear at the bottom of the screen.
Initial Setup 2-13 April 2004 Keypad (cont.) Figure 2-7: The T ransPort PT878GC Keyp ad.
April 2004 2-14 Initial Setup Obt aining On-Line Help The T ransPort offers on-line help screens that describe various features. Y ou can access on-line help at any time by pressing the [?] key .
Installing the Dampening Material, T ransducers and Fixtures 3-1 April 2004 Chapter 3 Inst alling the Dampening Material, T ransducers and Fixtures Since the P T878GC is specifically designed for gas .
April 2004 3-2 Installing the Dampening Material, T ransducers and Fixtures Figure 3-1: The V Series and PI Fixtures PI Fixture Layout T ape Chain Str a p Dummy Block CFG-V4 CFG-V1 CFG-V8 CFG-V12.
Installing the Dampening Material, T ransducers and Fixtures 3-3 April 2004 Application Requirement s Before you begin to use the P T878GC, you should ensure that your meter can handle the frequenci es required for your particular application.
Menu Maps 3-4 April 2004 *Use 200 kHz T able 3-1: PT878GC Inst allation Requirement s Pipe Size in. (mm) T ransducer Frequency (MHz) Inst allation Requirement s for Minimum Required Pressure with Result ant Maximum Flow Number of T raverses Pipe W all Thickness in.
3-5 April 2004 Prep aring the Pipe 1. Locate a transducer measurement point with 20 diameters of upstream straight run pipe and 10 d ia me ters of downstream straight run pipe. In addition, th e point should be at least 10 diameters from any butt welds or flanges.
April 2004 3-6 Performing a Pipe Survey Finding a location where the pipe is concentric is important for optimum accuracy and performance . If possible, perform a pipe survey with an ultrasonic thic kness gauge to find the best location. 2. Clear rust or loose paint and measure the wall thickness a t five points along the pipe axis at 25 mm (1-in.
3-7 April 2004 Performing a Pipe Survey (cont.) 4. Now measure the OD and the wall thickness at eight points along the pipe circu mference at 45° intervals (shown in Figure 3-6 below), three tim es p er poin t, and record the mean values. Figure 3-6: Measuring the OD and Pipe W all Thickness 5.
April 2004 3-8 Obtaining the T ransducer S pacing 1. Using the m easured O D and the pi pe wall thickness, program the P T878GC (discus sed in Chapter 4, Pr ogramming Site Data ) to determine the required transducer spacing.
3-9 April 2004 Inst alling the V Series Clamping Fixture and T ransducers Note: A complete installation invo lves the clamping fixtur e, transducers and dampening ma terial. If you ar e using dampening material, r efer to Installing Da mpening Material on page 3-21.
April 2004 3-10 Installing the Fixture (cont.) The two fixture halves have measu ring scales; ensure that the scales are on the same side of the fi xture, so that both zeros start at the same origin, as shown in Figure 3-8 below . Figure 3-8: Fixture with Scale Origins Properly Aligned 3.
3-1 1 April 2004 Installing t he T ransducers 1. Apply a bead o f couplant 6 mm (0.25 in .) wide along the entire length of each transduc er face, as shown in Figure 3-10 below . Figure 3-10: Couplant on T ransducer Face Note: Do not slide the transducer with couplant along the surface of the pipe when mounting the transducer .
April 2004 3-12 Installing the T rans du cers (cont.) 3. Slide the second mounting block to the calculated spacing plus the initial scale number selected for the first mounting block. For ex ample: a. Initial convenient number for the first mounting block = 1 cm or 1 in.
3-13 April 2004 Inst alling the PI Fixture and T ransducers The PI clamping fixtur e holds transducers on pip es from 8 to 24 in. in diameter . It come s with either a chain or strap, de pending on the selection made with the initial order from GE Panametrics.
April 2004 3-14 Surveying the Pipe (cont.) Figure 3-14: Marking the 3 o’Clock Position 4. T o find the coinciding point on t he opposite sit e of the pipe (180° awa y from each othe r), divide the m easured circumference by 2 an d m easur e this distance along the circumferential lines from the zero point, as sh own in Figure 3-15 below .
3-15 April 2004 Surveying the Pipe (cont.) Figure 3-16: Measuring the 180° Point from T op and Bottom.
April 2004 3-16 Installing the Firs t Bracket with a Chain or S trap The following steps describe how to install the PI fixture with a supplied chain or strap. 1. Carefully wrap the chain or strap around the pi pe, taking care not to twist it. 2. Loosen the wing nuts up to th e end of the J-hooks.
3-17 April 2004 Installing the Second Bracke t with a Chain or S trap Note: The following step r equir es the transducer spac ing discussed on page 3-7.
April 2004 3-18 Installing the Seco nd Bracket (cont.) The spacing should now appear si milar to that shown in Figure 3-21 below . Figure 3-21: The Inst alled CFG-PI Fixture, with Calculated Sp acing Installing t he T ransducers 1. Check to be sure the second CFG-PI holder bracket is correctly positioned.
3-19 April 2004 Installing the Seco nd Bracket (cont.) Note: Do not slide the transducer with couplant along the surface of the pipe when mounting the transducer . 3. W ith one hand, mount one transdu cer into the PI fixture. W ith the other hand , t igh ten th e thumbscrew , gradually pushing t he transducer down to the pipe surface.
April 2004 3-20 Inst alling Dampening Material GE Panametrics strongly recommends applying DMP dampening material in ALL clamp-on applica tions to help eliminate signal noise. The material co mes in two versions: • The DMP-1 self-adh es iv e sh ee t for applications up to 150°F (66°C).
3-21 April 2004 Installing DMP-1 Dampening Material with CFG-V Series Fixtures 1. Be sure the CFG-V clamping fixt ure is installed on the pipe with the transducers as described in the section Installing the V Series Clamping Fixtu r e and T ransducers on page 3-8.
April 2004 3-22 Installing DMP-1 Dampening Material with CFG-V Series Fixtures (cont.) 7. W ith a marker , trace around the transducer footprint, as shown in Figure 3-24 below . Figure 3-24: DMP-1 Material with T ransducer Footprint T raced 8. Remove the fixture an d transducer .
3-23 April 2004 Installing DMP-1 Dampening Material with CFG-V Series Fixtures (cont.) 11 . Lay the sec ond strip of dampenin g material flat. Then cut the strip into two pieces, each 4.5-in. (12 cm) wide. 12. W rap each of these strips aro und the pipe on the out side edge of the clamping fixture, one upstream and one downstream.
April 2004 3-24 Installing DMP-1 Da mpening Material wi th PI Fixture 1. Be sure the PI clamping fixture is installed onto the pipe with the transducers as described in the section Installing the PI Fixtur e and T ransducers on page 3-12.
3-25 April 2004 Installing DMP-1 Da mpening Material wi th PI Fixture Figure 3-28: Completed DMP-1 Inst allation.
April 2004 3-26 Installing DMP-3 Compound with All Fixtures 1. Be sure the fixture and transducers are installed on the pipe as described in the previous sections of this chapter . 2. Remove the fixture and transducers, bu t be sure to mark the approximate area of installation.
3-27 April 2004 Installing DMP-3 Co mpound with All Fixtures (cont.) 6. Spread the DMP-3 material so that it covers the whole area under the fixture to a thickness of about 0.25 in. (6.4 mm), as shown in Figure 3-31a below . Figure 3-31: Spreadi ng the DMP-3 (a) and Reinst alling the Fixture (b) 7.
April 2004 3-28 Installing the PD J Dampening Jacket If the pipe temperature is over 150°F , you must use the PDJ pi pe dampening jacket with preapplied DM P-3. As the dampening material dries out over severa l hours after i nstallation, its effectiveness increases.
3-29 April 2004 Installing the PDJ Da mpening Jacket (cont.) !W ARNING! The pipe and the dripping flu id will cause severe burns upon cont act with bare skin.
Programming Site Data 4-1 April 2004 Chapter 4 Programming Site Dat a On the P T878GC, a Program Menu (part of the Main Menu) enables you to enter information that is specific to each site: • T rans.
April 2004 4-2 Programming Site Data Entering the Program Menu T o enter the Program Menu, press the [MENU] key at the lower right of the P T878GC keypad. Th e Menu Bar replaces the Status Bar at the top of the screen. Press the [ X ] arrow key once to scroll from the Site Menu to th e Program Menu.
Programming Site Data 4-3 April 2004 Entering T ransducer Parameters T o enter the Transducer option, sc roll to the T ransduc er entry on the Program Menu and press [EN TER] . The screen appears similar to Figure 4-2 below . T o step through each parameter (or reach a particular parameter), press the [ T ] key .
April 2004 4-4 Programming Site Data Entering T ransducer Parameters (cont.) Note: The choices made earlier in the T ransducer and Pipe options determine the pr ompt s available later . If the PT878GC does not scr oll to a particular parameter , it is not necessary for tha t transducer or pipe type.
Programming Site Data 4-5 April 2004 Parameters for S pecial T ransducers 3. The prompt asks for the transd ucer frequency , to transmit a voltage at a rate to which the transducer can respond. a. From the T ransducer prompt, press the [ T ] key to reach the Frequency prompt, and press [ENTER] .
April 2004 4-6 Programming Site Data Parameters for S pecia l T ransducers (cont.) 7. Finally , the P T878G C requ ires the wedge sound speed. a. From the W edge T emp prompt, press the [ T ] key to reach the W edge SS prompt, and press [ENTER] .
Programming Site Data 4-7 April 2004 Entering Pipe Parameters T o enter the Pipe option, scroll to the Pipe entry on the Program Menu and press [ENTER] . (From the T ransducer window , you can scroll back up to the T ransducer tab and press the [ X ] arrow key to reach the Pipe window and press [ENTER] .
April 2004 4-8 Programming Site Data Entering Pipe Parameters (cont.) 1. The first prompt asks you to select the pipe material. a. Press [ENTER] to enter the material prompt. b. A drop-down list of materials opens. T able 4-1 below lists the available preprogrammed materials on the list.
Programming Site Data 4-9 April 2004 Entering Pipe Parameters (cont.) 2. At this point, the progra m follows one of two paths: a. If you have selected a prepro grammed material, the P T878GC automatically supplies the corre ct sound speed, and proceeds to step 3.
April 2004 4-10 Programming Site Data Entering Pipe Parameters (cont.) If you select a material that has the Schedule option: a. The prompt asks if you wish to app l y DIN (th e DIN schedule).
Programming Site Data 4-1 1 April 2004 Entering Pipe Lining Parameters T o enter the Lining option, scro ll to the Lining entry on the Program Menu and press [ENTER] . (Fro m the Pipe window , you can scroll back up to the Pipe tab and press the [ X ] arrow key to reach the Lining wind ow , and press [ENTER] .
April 2004 4-12 Programming Site Data Entering Pipe Lining Parameters (cont.) Note: If your pipe lining is not on the dr op-down list, consult GE Panametrics for further information.
Programming Site Data 4-13 April 2004 Entering Fluid T ypes and Speeds T o access the Fluid option, scroll to the Fluid entry on the Program Menu and press [ENTER] . (If you are already in the T ransducer/Pipe form, press the [ X ] arrow key to reach the Fluid window , and press [ENTER] .
April 2004 4-14 Programming Site Data Entering Fluid T ypes and Speeds (cont.) b. Scroll to the appropriate entry . If you do not see your fluid on the list, select “Other .” c. Press [ENTER] to confirm your selection. If you have selected a preprogrammed gas, the P T878GC supplies the sound speed.
Programming Site Data 4-15 April 2004 Entering the Signal Path Parameters T o enter the Path option, scroll to the Path entry on the Program Menu and press [ENTER] . (From the Lining window , yo u ca n scroll back up to the Linin g tab and press the [ X ] arrow key to reach the Path window , and press [ENTER] .
April 2004 4-16 Programming Site Data Path Parameters for Clamp-On T ransducers The P T878GC path menu includes two parameters for clamp-on transducers: • Tr a v e r s e s • Spacing 1. The P T878GC first prompts for traverses, the number of times the ultrasonic signal crosses the pipe.
Programming Site Data 4-17 April 2004 Entering the St andard V olume/ Mass Flow Parameters The Standard V olume/Mass Flow option enables you to correct standard volumetric units for pre ssure and temperature, as well as to disable or enabl e mass flow .
April 2004 4-18 Programming Site Data Entering the St andard V olume Parameters (cont.) 2. The next prompt asks for the base pressure. a. Press [ENTER] to enter the text box. b. Use the numeric keys to enter th e kn own pressure. c. Press [ENTER] to confirm the entry .
Programming Site Data 4-19 April 2004 Entering Inputs in the S tandard V olume Option T o enter input parameters in the Standard V olume/Mass Flow option, return to the Settings ta b at the top of the S tandard V olume window . Press the [ X ] arrow key and [ENTER] to open the Inputs window .
April 2004 4-20 Programming Site Data Entering Inputs in the S tand ard V olume Option (cont.) 2. The next prompt appears if you have selected a fixed pressure. The P T878GC asks for the fixed pressure value. a. Press [ENTER] to open the text box. b. Use the numeric keys to enter th e kn own temperature (in degrees C or F).
Programming Site Data 4-21 April 2004 Entering Inputs in the S tand ard V olume Option (cont.) Note: If you have switched both acti ve inputs to #A (or to #B), the PT878GC automatically switches one input to the other letter . This change ensur es that only one analog input is assigned to one measur ement type.
April 2004 4-22 Programming Site Data Entering Mass Flow Parameters T o enter mass flow parameters in the Standard V olume/Mass Flow option, press the [ X ] arrow key until you reach the Mass Flow tab, and then press [ENTER] to open the Mass Flow window .
Programming Site Data 4-23 April 2004 Entering Mass Flow Parameters (cont.) 2. If you have enabled Mass Flow , the next prompt asks for the calculation method. Three options are available: static density , saturated steam, and steam. a. Press [ENTER] to open the drop-dow n menu.
April 2004 4-24 Programming Site Data Entering Skan/Measure Parameters IMPORT ANT : Do not change the Skan/Measur e parameters unless r ecommended by GE Panametrics. If you select one of the Skan/Me asure modes in the Measurement mode window in the Signal Setup option (see page 9-24), the P T878GC requires you to set up the appropriate parameters.
Programming Site Data 4-25 April 2004 Entering Skan/Measure Parameters (cont.) 1. The first prompt asks for the Perc ent of Peak, which is used to calculate the transit times and De lta-T . The default value is 50, and values from 1 to 100 are acceptable.
April 2004 4-26 Programming Site Data Entering Skan/Measure Parameters (cont.) Pressing the [ T ] key highlights the Advanced promp t . T o enter advanced parameters for the Skan/Measure modes, press [ENTER] . The screen now appears similar to Figure 4-1 1 below .
Programming Site Data 4-27 April 2004 Entering Skan/Measure Parameters (cont.) 6. The next prompt en ables you to reset the size of the transmit window . Normally , the P T878GC ca lculates the size o f both transmit and receive windows based on pipe size and fluid sound speed.
April 2004 4-28 Programming Site Data Entering Skan/Measure Integrate Parameters T o enter parameters for the Skan /Measure Integrate mode in the Skan/Measure option, press the [ X ] arrow key once to re ach the Integrate tab. Then press [ENTER] to open the Integrate window , which appears similar to Figure 4-12 below .
Programming Site Data 4-29 April 2004 Entering Skan/Integrate Parameters (cont.) 3. If you wish to use Measure T imes only (instead of both Skan and Measure times), press [ENTER] at the Measure Only prompt. (Y ou can also pre ss [EN TER] to deselect the prompt.
April 2004 4-30 Programming Site Data Entering Skan/Measure Count Parameters T o open the Skan/Measure Co unt wi ndow in the Skan/Measure option, press the [ X ] arrow key twice (from the All tab) to reach the Count tab. Press [ENTER] , and the screen appears similar to Figure 4-13 below .
Programming Site Data 4-31 April 2004 Entering Skan/Measure Count Parameters (cont.) 3. The next prompt asks for th e percentage of Noise Level. a. Press [ENTER] to enter the text box. b. Use the numeric keys to en ter the recommende d value. c. Press [ENTER] to confirm the entry .
April 2004 4-32 Programming Site Data Entering Skan/Correlation Parameters T o open the Skan/Correlation window in the Skan/Measure option, press the [ X ] arrow key three times (from the All tab) to reach the Correlate tab, and press [ENTER] . The scree n appears similar to Figure 4-14 below .
Programming Site Data 4-33 April 2004 Entering Skan/Correlation Parameters (cont.) 2. Repeat step 1 to enter the maximum percen tage of peak. 3. The next prompt asks for the Perc ent of Peak, which is used to calculate the transit times and Delta-T . a.
April 2004 4-34 Programming Site Data Entering Analog Input s The Analog Inputs op tion enables you to sp ecify parameters for general purpose or st andard volume inpu ts. T o enter the Analog Inputs option, scroll to the Anal og Inputs entry on the Program Menu and press [ENTER] .
Programming Site Data 4-35 April 2004 Entering General-Purpose Analog Inputs (cont.) 2. The next prompt ask s you to create a label for the inpu t. The label corresponds to the measureme nt type (i.e., velocity or temperature), while the units symbol corresponds to the measurement units (i.
April 2004 4-36 Programming Site Data Entering General-Purpose Analog Inputs (cont.) 3. The next prompt ask s for the Units Symbol. a. Press [ENTER] to reopen the text creation window . b. Repeat the procedure used for the Label (on the previous page) to create the Units Symbol.
Programming Site Data 4-37 April 2004 Entering Analog Inputs in S tandard V olume or Mass Flow Option If you have enabled the Standard V olum e or Mass Flow options, the screen displays different options, as shown in Figure 4-17 below . Figure 4-17: The Analog Input s Option Window , with the St andard V olume Option Activated 1.
April 2004 4-38 Programming Site Data Entering Analog Inputs in the S tandard V olume or Mass Flow Option (cont.) Y ou have completed entering para meters in the Analog Inputs option. • T o confirm the entries a nd return to Operate mode, press [F3] (OK).
Programming Site Data 4-39 April 2004 Entering the Analog Output The Analog Output optio n enab les you to ente r information to set up output parameters. T o enter the option, scroll to the Analog Output entry on the Program Menu and press [ENTER] . The screen appears similar to Figure 4- 18 below .
April 2004 4-40 Programming Site Data Entering the Analog Output (cont.) 2. The next prompt ask s you to select the analog output type from a number of choices, as shown in Figure 4-19 below . Figure 4-19: Dat a Source Selection W indow a. Press [ENTER] to open the window .
Programming Site Data 4-41 April 2004 Entering the Analog Output (cont.) 3. The next prompt asks you to enter the zero (base) value for the analog output. This value rep resents the 0/4 mA output (in flow units). a. Press [ENTER] to open the text box.
April 2004 4-42 Programming Site Data Entering the Dig i t al Output While resembling the Analog Outp ut option, the Digital Output option enables you to set up para meters necessary for a digital output. T o enter the option, scroll to the Digital Output entry on the Program Menu and press [EN TER] .
Programming Site Data 4-43 April 2004 Entering the Digital Output (cont.) a. Press [ENTER] to open the drop-dow n menu. b. Scroll to the desired function. c. Press [ENTER] to confirm your selection. Note: If you select Off, you will not be able to access any other parameters in this option.
April 2004 4-44 Programming Site Data Entering the Digital Output (cont.) d. The prompt then moves to a list of unit types. (The available units depend on th e selection made at the Data Source prompt.) Scroll to the desired output unit. e. Press [F3] (OK) to confirm your selection.
Programming Site Data 4-45 April 2004 Entering the Digital Output (cont.) If you enter ed T est Points: The prompt asks fo r the signal ty pe from two choices: transmit or receive. a. Press [ENTER] to open the drop-dow n menu. b. Scroll to the required signal.
April 2004 4-46 Programming Site Data Entering User Functions User functions enable you to pe rform mathematical equations on each measurement. Y ou can also use any parameter in the meter to calculate a different parameter . T o enter the User Functions option, scroll to the User Func tions entry on the Program Menu and press [ENTER] .
Programming Site Data 4-47 April 2004 Entering User Functions (cont.) 2. The next prompt asks you to cr eate a label for the function. The label corresponds to the meas urement type (i.e., veloci ty or temperature), while the units symbol corresp on ds to the measurement units (i.
April 2004 4-48 Programming Site Data Entering User Functions (cont.) 3. The next prompt ask s for the Units Symbol. a. Press [ENTER] to reopen the text creation window . b. Repeat the procedure used for the Label (on the previous page) to create the Units Symbol.
Programming Site Data 4-49 April 2004 Entering User Functions (cont.) Figure 4-23: The Function Creation W indow c. T o enter a particular measured parameter into the equation, click on the MODE symbol in the middle of the third row . The Select Measurement window (sho wn in Figure 4-19 on page 4-40) opens.
April 2004 4-50 Programming Site Data Entering Correction Factors The final option in the Program Menu, Correction Factors, allows you to enter a nd modify three co rrection factors: Re ynolds Correction, Kinematic V iscosity and Calibration Factor .
Programming Site Data 4-51 April 2004 Entering Reynolds Correction (cont.) b. Press [ENTER] to confirm your selection. Note: If you disable Reynolds Corr ection, you will not be able to enter any other values in this window .
April 2004 4-52 Programming Site Data Entering Reynolds Correction (cont.) b. Enter the desired measuremen t and units as described on page 4- 40. c. Press [F3] (OK) to confirm your selection. 4. The prompt then asks if yo u wish to edit the Reynolds Correction table.
Programming Site Data 4-53 April 2004 Entering Reynolds Correction (cont.) e. When you have completed entering values, press [F3] (OK) to confirm the table and retu rn to the Correction Factors window . Y ou have completed entering data for a Reynolds Correct ion table.
April 2004 4-54 Programming Site Data Entering a Calibration Factor (cont.) 1. The first prompt asks if you wi sh to enable the calibration factor . a. Use the [ W ] and [ X ] keys to scroll to the appropriate radio button. b. Press [ENTER] to confirm your selection.
Programming Site Data 4-55 April 2004 Entering a Calibration Factor (cont.) b. Enter the desired measuremen t and units as described on page 4- 40. c. Press [F3] (OK) to confirm your selection. 4. The prompt then asks if you wi sh to edit the K factor table.
April 2004 4-56 Programming Site Data Entering a Calibration Factor (cont.) Y ou have completed entering data for correction factors. • T o confirm the entries a nd return to Operate Mode, press [F3] (OK). • T o leave the window without conf irming the entries and return to Operate mode, press [F2] (Cancel) or the [ESC] key .
Creating and Managing Sites 5-1 April 2004 Chapter 5 Creating and Managing Sites The P T878GC can store site data in files for current and future access. (T o learn how to program setup data, refer to Chapter 4, Pr ogramming Site Da ta .) After you answer the necessary questions, simply save the informa tion to a site file.
April 2004 5-2 Creating and Managing Sites The Site Manager From the Site Menu, press [ENTER] to open the Site Manager . The screen appears similar to Figure 5-2 below . Figure 5-2: The Site Manager W indow Note: Each PT878GC comes pr epr ogrammed with a basic site, Default , which serves as a basis for saving data and cr eating other sites.
Creating and Managing Sites 5-3 April 2004 The Site Manager (cont.) Figure 5-3: The Site Manager Menu • T o create a new site, go to page 5-4. • T o open an existing site (thu s replacing the current site), go to page 5- 6. • T o sa ve a current site, go to pa ge 5-7.
April 2004 5-4 Creating and Managing Sites Creating a New Site T o crea te a new site in the Site Manager , press [MENU] in the Site Manager . Be sure the option New is highlighted, and the n press [ENTER] . The screen appears similar to Figure 5-4 below .
Creating and Managing Sites 5-5 April 2004 Creating a New Site (cont.) Figure 5-5: T emplate Confirmation Window The meter returns to Operate Mo de, with the new site name displayed in the upper left corner of the screen.
April 2004 5-6 Creating and Managing Sites Opening an Existing Site If you want to return to a second site that you have previously saved, first highlight the replacemen t site in the left window of the Site Manager . Then press [MENU] to open the File Menu.
Creating and Managing Sites 5-7 April 2004 Saving a Site Y ou can save the current site in one of two ways: • From the Site Menu, you can scroll down to the Save Now option and press [ENTER] , or • From within the Site Manager , press [MENU] , scroll to the Save option, and press [ENTER] .
April 2004 5-8 Creating and Managing Sites Saving a Site wi th a Different Name If you want to save the current s ite with a different name, open the Site Manager , press [MEN U] to open the File Menu, scroll to the Save As option, and press [ENTER] .
Creating and Managing Sites 5-9 April 2004 Refreshing a Site Y ou can refresh a site (updating th e display with the most curre nt information) in one of two ways: • Press [F2] , Refresh, to refresh the highlighted file. • From the File Menu, scroll to the Refresh option and press [ENTER] .
April 2004 5-10 Creating and Managing Sites Deleting a Site T o delete a site in the Site Ma nager , first be sure you have highlighted that site in the left window of the Site Manager . Then press [MENU] , scroll to the Delete option, and press [ENTER] .
Creating and Managing Sites 5-1 1 April 2004 Creating a Site Message The Site Message option allows you to add an explanatory message (with up to 30 characters or spaces) for any given site. T o cre ate a site messa ge: 1. Press [MENU] to enter the File Menu.
April 2004 5-12 Creating and Managing Sites Creating a Site Message (cont.) Figure 5-12: The T ext Creation Window 3. Use the four arrow keys to sc roll to the desired letter or symbol, and press [ENTER] to add the letter to the message.
Creating and Managing Sites 5 -1 3 April 2004 Printing a File T o print a file from the Site Manager , press [MENU] to enter the File Menu, press the [ X ] arrow key once, scroll to the Print option, and press [ENTER] . The P T 878GC shows a message indicating that its infrared scanne r is looking for a receiving device.
April 2004 5-14 Creating and Managing Sites T ransferring a Site to a PC (cont.) Figure 5-13: The IR_Inbox Folder with T ransferred Site File T ransferring a File as T ext If you want to review site p.
Creating and Managing Sites 5 -1 5 April 2004 T ransferring a File from a PC to the P T878GC Once you have stored site or meter files to a PC, you can then transfer them back to the P T878GC over the IR interface. The P T878GC only accepts files with a .
April 2004 5-16 Creating and Managing Sites T ransferring a File from a PC to the P T878GC (cont.) QuickBea m opens a window indicatin g that it is downloading the file. If you close and reopen the Site Manager , the file appears as one of the listed sites.
Creating and Managing Sites 5 -1 7 April 2004 Listing Files by Name If you want to list your files alpha betically by site name within the Site Manager , press [MEN U] to open the F ile Menu. Then press the [ X ] arrow key twice to scroll from the File Menu to the Sort Menu, shown in Figure 5-15 belo w .
Displaying and Con figuring Data 6-1 April 2004 Chapter 6 Displaying and Configuring Dat a The P T878GC allows you to view from one to four dif ferent measurement parameters simultaneously . The sc reen can show these parameters not only in nu meric format, but as line or bar graphs as well.
April 2004 6-2 Displaying and Configuring Data The Format Option The first option on th e menu, Format, allows you to specify the type of notation and the number of decimal pl aces for the measurement in that window . Press [ENTER] and the submenu shows two options, Decimal Place and Notation.
Displaying and Con figuring Data 6-3 April 2004 The Format Option (cont.) 2. The second step asks you to choose the number of decimal places to be displayed. A vaila ble choice s range from 0 to 4 places. a. Press [ENTER] to open the drop-down list. b.
April 2004 6-4 Displaying and Configuring Data The View Option The second option, V iew , allows yo u to select the presentation of a parameter in one of three form ats: numeric, line graph or bar graph. 1. From the Display Menu, press the [ X ] key once to reach the V iew option, and then press [ENTER] .
Displaying and Con figuring Data 6-5 April 2004 The Limit s Option Once you have configu red a parameter as a line or bar graph, you might need to change its pre sentation or values.
April 2004 6-6 Displaying and Configuring Data The Limit s Option (cont.) 4. The first prompt asks for the minimum value shown in the graph. a. Press [ENTER] to open the text box. b. Use the numeric keys to enter the desired value. c. Press [ENTER] to confirm the value.
Displaying and Con figuring Data 6-7 April 2004 The Measurement Option On occasion, you might need to change the actual parameter measured in a given wind ow .
April 2004 6-8 Displaying and Configuring Data The Measurement Option (cont.) Figure 6-5: The Measurement Menu W indow Program ming Select Mea surement Cancel l OK Vo l u m e Amplitude Up Delta-T Ve l.
Displaying and Con figuring Data 6-9 April 2004 Customizing the Display Screen Y ou might wish to display one or two parameters, or cu stomize the soft keys to quickly access pa rticular menus. The Site Menu enables you to make more co mprehensive changes in your display screen.
April 2004 6-10 Displaying and Configurin g Data S pecifying the Number of Displayed Pa rameters As mentioned earlier , the P T87 8GC can display one to four different measurement parameters simultaneously . However , sometimes you might wish to displa y only one or two parameters.
Displaying and Con figuring Data 6-1 1 April 2004 Customizing Softkeys When the screen is in Operate mode, you might wish to access a particular submenu frequently w ithout the trouble of scrolling through menus.
April 2004 6-12 Displaying and Configurin g Data Customizing Softkeys (cont.) Figure 6-9: The Configure FKey W indow 4. Press [ENTER] to open the menu drop- down list. Then use the [ T ] or [ S ] arrow keys to scroll to the desired submenu (for example, Contrast).
Displaying and Con figuring Data 6-13 April 2004 Customizing Softkeys (cont.) Figure 6-10: The Display Screen with Modifie d Sof tkey • T o clear a softkey: 1. Press [MENU] . 2. From the Site Menu (shown in Fi gure 6-6 on page 6-8), use the [ T ] or [ S ] arrow keys to move to the FKeys entry on the menu.
April 2004 6-14 Displaying and Configurin g Data Managing Files — The Drive Manager On occasion, you might wa nt to re view , print or transfer some or all of the files in the P T878GC. The Drive Ma nager allows you to view all the files stored in the meter .
Displaying and Con figuring Data 6-15 April 2004 Managing Files — The Drive Manager (cont.) Figure 6-12: The File Man ager Menu T o transfer, refresh or delete a file, first be sure the file is highlighted in the window on the left. Then press [MENU] and scroll to the appropriate option, as shown in Figure 6-12 above.
April 2004 6-16 Displaying and Configurin g Data Refreshing a File Y ou can refresh a file (updating th e display with the most current information) in one of two ways: • Press [F2] , Refresh, to refresh the highlighted file. • From the File Menu, scroll to the Refresh option and press [ENTER] .
Displaying and Con figuring Data 6-17 April 2004 T ransferring a File to a PC (cont.) Figure 6-13: The IR_Inbox Folder with T ransferred File T ransferring a File from a PC to the P T878GC Once you have stored site or meter files to a PC, you can then transfer them back to the P T878GC over the IR interface.
April 2004 6-18 Displaying and Configurin g Data T ransferring a File from a PC to the P T878GC (cont.) Note: For W indows NT 4.0, check that the QuickBeam softwar e (available thr ough the path C:Pr ogram FilesQuickBeam Suite) is running, and that the IR beam on the PT878GC has clear access to the IR se nsor connected to the PC port.
Displaying and Con figuring Data 6-19 April 2004 Deleting a File T o delete a file in the File Ma nager , first be sure you have highlighted that site in the left window of the File Manager . Then press [MENU] , scroll to the Delete option, and press [ENTER] .
April 2004 6-20 Displaying and Configurin g Data Listing Files by Name If you want to list your files alpha betically by site name within the File Manager , press [MEN U] to open the F ile Menu. Then press the [ X ] arrow key to scroll from th e File Menu to the Sort Menu, shown in Figur e 6-16 below .
Displaying and Con figuring Data 6-21 April 2004 Accessing Meter Dat a —The About Option The About option displays use ful information concerning the model number and software version of yo ur P T878GC. While the window normally appears briefly at startup, users might want to access the information for a longer period.
Programming Meter Settings 7-1 April 2004 Chapter 7 Programming Meter Settings Along with display formats and site data, P T878GC users ca n program global settings for the mete r that suit their individual preferences.
April 2004 7-2 Programming Meter Settings Entering the Meter Menu T o enter the Meter Menu, press the [MENU] key at the lowe r right of the P T878GC keypad. The Main Menu replaces the S tatus Bar at the top of the screen. Press the [ X ] arrow key twice to scroll from the Site Menu to the Meter Menu.
Programming Meter Settings 7-3 April 2004 Selecting Measurement Unit s The first option, Units, enables yo u to select either English or Metric units as global measurement units for the P T878GC. The selected units then become th e default settings for every measurement that has the option for metric/English units.
April 2004 7-4 Programming Meter Settings Selecting Measurement Unit s (cont.) a. Press [ENTER] to open the drop-dow n menu. b. Use the [ T ] and [ S ] arrow keys to scroll to the desired choice: • PSIA • KP A • Bars • MMGH c. Press [ENTER] to confirm the entry .
Programming Meter Settings 7-5 April 2004 The Battery Charger The Battery option allo ws you to monitor the current ru n time and status of the internal rechargeable batteries, as well as to condition NiCad batteries to mainta in the maximum life possible.
April 2004 7-6 Programming Meter Settings The Battery Charger (cont.) 3. T o condition the batteries, press the [ENTER] key . The “Condition Battery” window sh ould now read “S top.” The status line should change to “Discharging.” (Updating the status could take up to 30 seconds.
Programming Meter Settings 7-7 April 2004 Entering Date and Time In Operate mode, the Status Bar displays the current date an d time above the measurements in the upper right corner of the screen. The Date/T ime option allows you to set the date or time, which are required for correct data l ogging operation.
April 2004 7-8 Programming Meter Settings Entering Date and Time (cont.) T o set the date: 1. From the date text box, press the [ T ] key once to scroll to the time text box. This box disp lays the current meter time. 2. Press [ENTER] to enter the text box.
Programming Meter Settings 7-9 April 2004 Changing Date and T ime Appearance (Locale) In addition to setting the correct date and time, you can also change its presentation to suit local preferences. Y ou can select a time display of AM/PM or 24-hour time T o alter the time and date display: 1.
April 2004 7-10 Programming Meter Settings Changing Date and T ime Appearance (cont.) 2. The first series of prompts asks you to select separator symbols for the date, time and decimal. Y ou can choose from a dash, comma and slash (/) fo r the date; from a period and colon for the time: and from a period or comma for the decimal place.
Programming Meter Settings 7-1 1 April 2004 Changing Date and T ime Appearance (cont.) A line at the bottom, the Date/T im e, Decimal Formats, displays how the format and separator selec tions will appear on the screen. Pressing the [ T ] arrow key returns the P T878GC to the Locale tab.
April 2004 7-12 Programming Meter Settings Adjusting the Contrast For more comfortable viewing in a particular environment, the P T878GC enables you to adjust the screen contrast. T o adjust the screen contrast: 1. From the Meter menu, scroll to the Contrast entry and press [ENTER] .
Programming Meter Settings 7-13 April 2004 Adjusting the Contrast (cont.) • T o confirm the entries a nd return to Operate mode, press [F3] (OK). • T o leave the window without conf irming the entries and return to Operate mode, press [F2] (Cancel) or the [ESC] key .
April 2004 7-14 Programming Meter Settings Setting Backlight T imeout By using the Backli ght T imeout option, you can set a specified time that the P T878GC backlight will remain on before turning itself off. Automatic turnof f en ables the P T878GC to conserve battery powe r .
Programming Meter Settings 7-15 April 2004 Changing Communications Parameters On occasion, you might need to change the parame ters by which the P T878GC communicates with a PC over the wireless infrared interface. T o check or change these parameters: 1.
April 2004 7-16 Programming Meter Settings Changing Communications Settings (cont.) 3. The next prompt asks you to select the communications interface from two options: IrDA (Infrared Data Association) and the IR232 virtual interface. Y ou must use IrDA when using an IR printer or transfer application such as QuickB eam.
Programming Meter Settings 7-17 April 2004 Changing Communications Settings (cont.) 6. The next prompt asks you to se lect either one or two stop bits.The default number is one. Use the [ W ] and [ X ] keys to scroll to the desired number , and press [ENTER] .
April 2004 7-18 Programming Meter Settings Resetting Forward and Reverse T o t als On occasion, it might be necessar y to clear and reset the forward and reverse totals computed by the Forward an d Reverse T otalizers. T o reset the totals: 1. From the Meter menu, scroll to the T otals entry and press [ENTER] .
Programming Meter Settings 7-19 April 2004 Setting Up User T a bles When you program user functions (see page 4-46), you can also support them with up to six user tables of non-linear or empirical data. T o program one or more user tables : 1. From the Meter menu, scroll to the User T ables entry and press [ENTER] .
April 2004 7-20 Programming Meter Settings Setting up User T ables (cont.) 3. The next step is to create a T able ID. a. Press [ENTER] to open the window .
Programming Meter Settings 7-21 April 2004 Setting up User T a bles (cont.) 4. The final prompt asks you to ente r or chan ge data in the user table. a. Press [ENTER] to open the window . The screen appears similar to Figure 7-10 below . Figure 7-10: The Edit User T able Window b.
April 2004 7-22 Programming Meter Settings Setting up User T a bles (cont.) e. Repeat steps b, c and d on pa ge 7 -21 until you have completed entering data for the table. f. When you have finished, press [F3] (OK) to confirm the entries or [F2] (Cancel) to leave the window without confirming the table.
Programming Meter Settings 7-23 April 2004 T a king a Bitmap Capture of a Current Screen The Snapshot option enables you to take a “screen capture” of the current screen in bitmap format (. bmp) for display or storage in a W indows-based PC. T o take a “snapshot” of the screen: 1.
Logging Data 8-1 April 2004 Chapter 8 Logging Dat a A powerful and flexible feature of the P T878GC is data logging. The meter enables yo u to choose up to 12 parameters to log. Y ou can also select the start time and date, end time and date, and time interval.
April 2004 8-2 Logging Data Entering the Log ging Menu T o enter the Logging Menu, press the [MENU] key at the lower right of the P T878GC keypad. The Main Menu replaces the Status Bar at the top of the screen. Press the [ X ] arrow key three times to scroll from the Site Me nu to the Logging Menu.
Logging Data 8-3 April 2004 The Log Manager The Log Manager offers users a way to check the status and memory size of all the logs currently pending, running or finished. T o select Log Manager, scroll to the Manager entry on the Logging Menu an d press [ENTER] .
April 2004 8-4 Logging Data The File Menu The File Menu allows you , not only to create new logs, but also to copy , rename or delete logs, as well as to print them or transfer them to a PC. T o open the F ile menu from the Log Mana ger , press the [MENU] key and then [ENTER] .
Logging Data 8-5 April 2004 Setting up a New Log The New Log opti on enables you to create and set up parameters for a new log. Y ou can access this option in two ways: • by scrolling to the New Log.
April 2004 8-6 Logging Data Setting up a New Log (cont.) Figure 8-5: The General Log Format W indow T o ste p through each parameter , press the [ T ] key .
Logging Data 8-7 April 2004 Setting up a New Log (cont.) 3. The next prompt ask s for the starting date and time. a. Press [ENTER] to enter the text box. The meter highlights the first number . Use the [ W ] and [ X ] keys to scroll to any number you wish to change, or the [ X ] key to scroll to the time box.
April 2004 8-8 Logging Data Setting up a New Log (cont.) Figure 8-6: The Log Measurement s Window T o ste p through each entry , pres s the [ T ] key . 1. Press [ENTER] to open the first entry . The Select Measurement window opens, as shown in Figure 8-7 on the next page.
Logging Data 8-9 April 2004 Setting up a New Log (cont.) Figure 8-7: The Select Measure ment Window 2. Scroll to the desired output type. 3. Press [SEL] to confirm your selection. 4. The prompt then moves to a list of unit types. (The availabl e units depend on the selection made at the Data Source prompt.
April 2004 8-10 Logging Data Copying (Cloning) a Selected Log In the Clone Selected Log option , you can copy the parameters of a particular log, modify the pa rameters, and start the copy . T o copy a log: 1. First, select the log you wish to copy in the Log Manager (shown in Figure 8-3 on page 8-4).
Logging Data 8-1 1 April 2004 Renaming a Log T o rename a log: 1. First, select the log you wish to rename in the Log Manager (shown in Figure 8-3 on page 8-4). 2. Then open the File menu, scro ll to the Rename option, and press [ENTER] . 3. The Rename Log window open s.
April 2004 8-12 Logging Data Deleting a Log (cont.) Figure 8-8: The Delete Confirmation W indow Deleting All Logs T o clear the Log Manager and memo ry of all logs, open the File menu, scroll to the Delete All Logs option, and press [ENTER] .
Logging Data 8-13 April 2004 Printing a Log T o print a file from the Log Manager: 1. Highlight the desired log in the window on the left of the Log Manager . 2. Press [MENU] , scroll to the Print option, and press [ENTER] . The P T878GC shows a message indicating that its infrared sensor is looking for a printer .
April 2004 8-14 Logging Data The Log Menu The Log Menu allows yo u to pause, restart or end any or all logs that are currently pending or running. (Ho wever , you cann ot restart any finished logs, even if they were finished before the programmed end time.
Logging Data 8-15 April 2004 S topping (Pausing) a Log T o stop a log that is curre ntly pending or running, 1. First, select the log you wish to pause in the Log Manager (shown in Figure 8-2 on page 8-4). 2. Then open the Log menu, scroll to the Pause option, and press [ENTER] .
April 2004 8-16 Logging Data Pausing All Logs T o pause all logs tha t are curre n tly pending or ru nning, open the Log menu, scroll to the Pause All Logs option, and press [ENTER] . The P T878GC returns to the Log Manager , which displays all logs programmed to run now or in the f uture with a status of “Paused.
Logging Data 8-17 April 2004 The Vi ew Menu Through the V iew menu, you can view the data of individual lo gs in graphical or spreadsheet formats. T o open the V iew menu from the Log Manager , press [MENU] . Scroll to the V iew menu, and press [ENTER] .
April 2004 8-18 Logging Data Displaying Log Details T o v iew details of a given log, be sure the log is highlighted in the left window of the Log Manager . Then scroll to the V iew menu and press [ENTER] . Scroll to the Details option and press [ENTER] .
Logging Data 8-19 April 2004 Displaying Log Data in Graphical Form T o view a log in graphical form, be sure the log is highlighted in the left window of the Log Manager . 1. Scroll to the V iew menu and press [ENTER] . 2. Scroll to the Graph option and press [ENTER] .
April 2004 8-20 Logging Data Displaying Log Data in Graphical Form (cont.) Figure 8-13: The Y -Axis Window The Y -Axis window allows you to specify whether the Y axis on the graph extends to the maximum value (Max), over the entire range (Range) or between cert ain specified values (Set).
Logging Data 8-21 April 2004 Displaying Log Data in Graphical Form (cont.) If you wish to alter the time scale, press [F2] (T ime). The Enter T ime window appears similar to Figure 8-14 below . Figure 8-14: The Enter T ime Window 1. Use the arrow keys to scroll to the desired text box.
April 2004 8-22 Logging Data Displaying Log Data in S preadsheet Form T o view a log in spreadsheet form , be sure the log is highlighted in the left window of the Log Ma nager . Then scroll to the V iew menu and press [ENTER] . Scroll to the Spreadsheet option and press [ENTER] .
Logging Data 8-23 April 2004 The Sort Menu The Sort Menu within the Log Manager allows you to arrange your log list either alphabetica lly (By Name) or chronologically (By Date).
Servicing the PT878GC 9-1 April 2004 Chapter 9 Servicing the PT878GC For user convenience, the P T878GC offers a Service Menu. This menu enables us e r s to perform a variety of functions that they mi.
April 2004 9-2 Servicing the PT878GC Entering the Service Menu T o enter the Service Menu, press the [MENU] key at the lower right of the P T878GC keypad. The Main Menu replaces the Status Bar at the top of the screen. Press the [ X ] arrow key four times to scroll from the Site Menu to the Service Menu.
Servicing the PT878GC 9-3 April 2004 Printing Report s When used with an IR-compa tible printer , the P T878GC can print out a variety o f data (curre nt site, logs, drive contents, and user functions, tables, and settin gs) in the Reports option. T o enter the Reports option, scroll to the Reports entry on the Service Menu and press [ENTER] .
April 2004 9-4 Servicing the PT878GC Printing Report s (cont.) Figure 9-3: Printout of a T ypical Drive Report.
Servicing the PT878GC 9-5 April 2004 Setting up the Thickness Gauge For greatest accuracy in flow applications, the P T878GC can measure pipe wall thickness using an optional thickness gauge transducer , instead of relying on the nominal pipe wall thickness.
April 2004 9-6 Servicing the PT878GC Setting up the Thi ckness Gauge (cont.) Calibrating the thickness gauge involves up to two additional steps: 4. Calibrating the thickness gauge it self ( in the Zero window on page 9-12), a nd 5.
Servicing the PT878GC 9-7 April 2004 Measuring Pipe W all Thickness Entering the Material and Sound S peed IMPORT ANT : GE Panametrics recommends calibrating the thickness gauge periodically (as discuss ed on page 9-12) befor e measuring thickness.
April 2004 9-8 Servicing the PT878GC Entering the Material and Sound S peed (cont.) If you have selecte d a prepr ogrammed material, you have completed entering data in this window . Pressing the [ T ] key returns the program to the Mate rial tab. But if you selected “Other ,” you can also ente r a specific sound speed.
Servicing the PT878GC 9-9 April 2004 Measuring Thickness in Numeric Format T o measure the actual thickness of a pipe , apply couplant to the calibrated thickness gauge transd ucer and hold th e transducer steady against the pipe. Then press the [ W ] or [ X ] arrow key until you reach the Display tab and press [ENTER] .
April 2004 9-10 Servicing the PT878GC Displaying the Receive Si gnal in Graphical Format Used chiefly for diagnostic purposes, the Graph option he lps to determine why the thic kness gauge is not working if you suspect a problem. The graph shows an image of the acoustic signal.
Servicing the PT878GC 9-1 1 April 2004 Displaying the Receive Si gnal in Graphical Format (cont.) Figure 9-8: The Graph Window in Zoom Format • Press [F1] (In) to zoom in to magnify screen details. • Press [F2] (Out) to zoom out fully . • Press [F3] to toggle between the left and right cursors.
April 2004 9-12 Servicing the PT878GC Calibrating the Thickness Gauge T ransducer T o zero the trans ducer of fsets, go to the Zero tab. Press the [ W ] or [ X ] arrow key until you reach the Zero tab and press [ENTER] . The screen appears similar to Figure 9-9 below .
Servicing the PT878GC 9-13 April 2004 Calibrating the Thickness Gauge T ransducer (cont.) a. Press [ENTER] to open the text box. b. Use the numeric keys to enter the length. c. Press [ENTER] to confirm the entry . 4. Press [ENTER] (Calibrate button) to prepare for calibration.
April 2004 9-14 Servicing the PT878GC Calculating V elocity (Pi pe Material Sound S peed) The nominal sound speed for yo ur pipe material will give thickness measurements of reason able accuracy . However , for greater accuracy , calibrate pi pe material sound velocity .
Servicing the PT878GC 9-15 April 2004 Calculating V elocity (Pi pe Material Sound S peed) (cont.) 2. T o e nter the block length (here, the thickness of the sample as measured with a caliper or calibrated sample), press the [ T ] arrow key and then press [ENTER] to open the Block Length text box.
April 2004 9-16 Servicing the PT878GC Calculating V elocity (Pi pe Material Sound S peed) (cont.) 7. The “Calculated” box shows th e thickness value measured.
Servicing the PT878GC 9-17 April 2004 Programming the Thickness Gauge While the T -Gauge Display optio n allows you to program the appropriate material and sound speed, the Thickness Gauge Setup optio.
April 2004 9-18 Servicing the PT878GC Programming the Thi ckness Gauge (cont.) 1. Press the [ T ] arrow key to enter the window . 2. The first prompt asks for the low signal threshold. If the signal strength falls below this va lue, a “Low Signal” message appears on the screen.
Servicing the PT878GC 9-19 April 2004 Programming the Thi ckness Gauge (cont.) 6. The final value, the detection th reshold, represents the percent of peak the P T878GC uses to make measurements. It will consider anything above the entered percentage as part of the signal.
April 2004 9-20 Servicing the PT878GC Displaying Diagnostic Parameters The Diagno stics option enables you to view current diagnostic parameters without having to o pen a display window in Operate Mode. T o enter the option, scroll to the Diagnostics entry on the Service Menu and press [ENTER] .
Servicing the PT878GC 9-21 April 2004 Calibrating the Analog Output and Input s The Calibration option allows you to calibrate the analog output and inputs. T o enter the option, sc roll to the Calibrate entry on the Service Menu and press [ENTER] . The screen appea rs similar to Figure 9-14 below .
April 2004 9-22 Servicing the PT878GC Calibrating the Analog Output (cont.) 1. Connect a digital multimeter or ammeter to the analog output. 2. The next prompt ask s for the setpoint (4 or 20 mA). Use the [ W ] and [ X ] arrow keys to move to the appropriate radio button and press [ENTER] .
Servicing the PT878GC 9-23 April 2004 Calibrating Inputs T o open the Inputs window , press the [ X ] arrow key and press [ENTER] . The screen appears similar to Figure 9-15 below . Note: Calibrating the anal og inputs r equir es use of a curr ent sour ce.
April 2004 9-24 Servicing the PT878GC Calibrating Inputs (cont.) 4. Connect the current source to the input and set it to deliver the value entered in th e previous step. 5. Press the [ X ] arrow key to move to the Read box, and then press [ENTER] to read the low input.
Servicing the PT878GC 9-25 April 2004 Setting up Signal Parameters The Signal Setup option enables you to set parameters that affect the transducer signal: • Delta-T Offset • T rans mit Sam pl e S.
April 2004 9-26 Servicing the PT878GC Setting up Signal Parameters 1. Press the [ T ] arrow key to enter the window . 2. The first prompt asks for the De lta-T offset. Delta-T i s the difference between the upstream and downstream transit times of the transducers.
Servicing the PT878GC 9-27 April 2004 Setting up Signal Parameters (cont.) 5. The next prompt asks for velo city aver ag ing , the number of velocity measurements to aver age together to smooth out noise in the system. a. Press [ENTER] to open the drop-down list.
April 2004 9-28 Servicing the PT878GC Setting up the Measurement Mode The P T878GC can take measuremen ts in four different ways: Skan is a low resolution technique fo r locating the acoustic signal and for high velocity measurements . It is more robust in a noisy environment th an the Measure technique.
Servicing the PT878GC 9-29 April 2004 Setting up Measurement Mode (cont.) The first prompt asks for the measurement mode detection method. Use the [ W ] and [ X ] arrow keys to move to the appropriate radio butt on an d pr ess [ENTER] . Y ou must now enter the setup data covered on page 4-23, if you have not already done so.
April 2004 9-30 Servicing the PT878GC Setting Up Pulse/Code Parameters When you select the Skan detection method, you must also choose what type of signal to sen d to the transducers: either a coded signal at 1, 2, 4, 1 1 or T win bits, or a specific number of pulses to be sent.
Servicing the PT878GC 9-31 April 2004 Setting Up Pulse/Code Parameters (cont.) 2. The next prompt asks if you want to send a specific number of pulses. Press [ENTER] to select or deselect the pulse option. Note: If you do not select this opt ion, pr essing the [ T ] key r eturns the meter to the T ransmit Code pr ompt.
April 2004 9-32 Servicing the PT878GC Setting Error Limit s The Error Limits option enables yo u to set limits for an incoming signal. When the signal falls ou tside the programmed limits, an error indication appears. T o enter this option, scroll to the Error Limits entry on the Service Menu and press [ENTER] .
Servicing the PT878GC 9-33 April 2004 Setting Error Limit s (cont.) d. Press the [ X ] arrow key to move to the maximum signal box, and repeat ste ps a, b and c. e. Press the [ W ] arrow key to return to the minimum signal box, and the [ T ] key to move to the next limit.
April 2004 9-34 Servicing the PT878GC Setting Error Limit s (cont.) Note: For the velocity and acceleration boxes, the F1 softkey toggles between English and metric measur ements. Thus, the key will always display the opposite measur ement fr om that which is curr ently active.
Servicing the PT878GC 9-35 April 2004 The T est Option W ithin the Service Menu, the T est option includes seven tests to ensure that the P T878GC is pe rforming properly: T est Screen, T est Ke ys, W atchdog T est, Impulse Response, W ave Snapshot, Simulate and Battery T est.
April 2004 9-36 Servicing the PT878GC T esting the Screen T o test the proper functioning of the P T 878GC screen, scroll to the T e st Screen option in the T e st Me nu and press [ENTER] . The screen then shows the message, “Press Any Key T o Continue.
Servicing the PT878GC 9-37 April 2004 T esting the Keys The T e st Keys option checks th e fu nctioning of the various keys on the keypad. T o start the test, scroll to the T est Keys option on the T e st Menu and press [ENTER] . The screen appears similar to Figure 9-22 below .
April 2004 9-38 Servicing the PT878GC T esting the W atchdog T imer Circuit The P T878GC includes a watchdog timer circuit. If a software error causes the meter to stop responding, this circuit automatically resets the meter . A properly functioning P T878GC restarts if you run the W atchdog T est.
Servicing the PT878GC 9-39 April 2004 Setting Impulse Response The Impulse Response option enab les you to force the meter to transmit in one direction only , w ithout changing the AGC setting. Y ou can then diagnose problems with transducer, pipe, or fluid configurations.
April 2004 9-40 Servicing the PT878GC Setting Impulse Response (cont.) 2. The second prompt asks for the percent of gain. a. Press [ENTER] to open the text box. b. Use the numeric keys to en ter the desired percentage. c. Press [ENTER] to confirm your entry .
Servicing the PT878GC 9-41 April 2004 T esting the Battery The Battery T est option provides additional battery information for service troubleshootin g. T o en ter the option, scroll down to the Battery T est entry in the Service Menu and press [ENTER] .
April 2004 9-42 Servicing the PT878GC Resetting to Factory Default Parameters For various reasons, you might wish to return the P T878GC to its original settings. The Factory De faults option enables you to return the meter to its preprogr ammed default settings.
Servicing the PT878GC 9-43 April 2004 Up dating PT878GC Sof t ware By using a W indows-based PC with an infrared adapter , P T878GC users can update the meter ’ s operating software without the need to change th e hardware.
April 2004 9-44 Servicing the PT878GC Updating Software Via IrOBEX T o begin updating software via IrOBEX, scroll down to the Flash Update entry in the Service Menu and press [ENTER] .
Servicing the PT878GC 9-45 April 2004 Updating Software Via IrOBEX (cont.) 5. The meter now asks if y ou wish to reload the flash memory via the infrared communications port. • Press [F1] (Y es) to begin reloading via OBEX, or • Press [F2] (No) to stop the reloading procedure.
April 2004 9-46 Servicing the PT878GC Updating Software V ia IrCOMM Note: While W indows 95/98/98SE and NT ( with QuickBeam) support IrCOMM, W indows 2000 and XP do not. Refer to Appendix B. Before you install new coding , you must be sure that the PC has the correct protocols to transm it the software to the meter .
Servicing the PT878GC 9-47 April 2004 Setting up the PC (cont.) Figure 9-29: Port Settings for COMM 4 Installing New Sof tware T o begin the loading procedure, scroll down to th e Flash Update entry in the Service Menu and press [EN TER] . The screen appears similar to Figure 9-30 below .
April 2004 9-48 Servicing the PT878GC Installing New Sof tware (cont.) 1. As shown in Figure 9-30 on the previous page, the Flash Update option eras e s all instrument coding. • Press [F2] (Cancel) to return to Operate Mode without erasing the program.
Servicing the PT878GC 9-49 April 2004 Installing New Sof tware (cont.) 1. In the Hyperterminal windo w , pull down the T ransfer menu and click Send File . A window opens similar to Figure 9-32 below . Figure 9-32: The Send File W indow in the T ransfer Menu 2.
Diagnosis and T roublesho oting 10-1 April 2004 Chapter 10 Diagnostics and T roubleshooting The T ransPort P T 878GC is a re liab le instrument that is easy to maintain. It will provide accurate flow measurement readings as long as it is operated as descri bed in this manual.
April 2004 10-2 Diagnosis and T ro ubleshooting Error Code Messages Error Code messages appear on the screen while you are displaying measurements. When logs appear in graph form, errors are indicated by a vertical gray bar at the point of error .
Diagnosis and T roublesho oting 10-3 April 2004 T able 10-1: Error Messages Error Message Problem Possible Cause Action E0 No error . Displays briefly after the dis- play of another error message None required. Mea- surement is valid. E1 Low Signal - Poor ultra- sonic signal strength.
April 2004 10-4 Diagnosis and T ro ubleshooting E3 Ve l o c i t y Range - Ve l o c i t y exceeds pro- gramme d limits. (V elocity limit is pro- gramme d using the Ser- vice Menu Error Limits option as described in Chapte r 9.) Programming error , poor flow conditions, or bad transducer spacing.
Diagnosis and T roublesho oting 10-5 April 2004 E6 Cycle skip , Acceleration Poor flow con- ditions or bad transducer spac- ing. Check trans ducer spacing as pro- grammed and as set on pipe.See Flowcell Problems on page 10- 9 and T ransducer Problems on page 10- 11 .
April 2004 10-6 Diagnosis and T ro ubleshooting Displaying Diagnostic Parameters As part of its m easurement m enu , the P T878GC of fers a list of diagnostic parameters to aid in troubleshooting in the event of flowcell, transducer , or electrical problems.
Diagnosis and T roublesho oting 10-7 April 2004 P#up Displays signal peaks for the upstream transducer . 100- 900 <100, >900 P#dn Displays signal peaks for the downstream transduce r . 100- 900 <100, >900 Reynolds # Displays the Reynolds Num- ber .
April 2004 10-8 Diagnosis and T ro ubleshooting Norm Factor Displays the normalization factor . 0.85 - 1.0 <0.85 Threshold Up Displays the Percent of Peak for the upstream transducer . Set to -40 by default. N/A N/A Threshold Dn Displays the Percent of Peak for the downstream trans- ducer .
Diagnosis and T roublesho oting 10-9 April 2004 Flowcell Problems Flowcell problems fall into two cat egories: gas problems and pipe problems. Read the following sec tions carefully to determine if such problems exist.
April 2004 10-10 Diagnosis and T roubleshoo tin g Fluid Problems (cont.) 3. THE GAS SOUND SPEED MUST NOT V AR Y EXCESSIVEL Y . The T ransPort wil l tolerate relatively lar ge, changes in gas sound speed due to changes in gas composition and temper ature.
Diagnosis and T roub lesho oting 10-1 1 April 2004 T ransducer Problems Ultrasonic transducers are rugged, reliable devices. However, they are subject to ph ysical damage from mishandling and chemical attack. The most comm on transducer problems are listed below .
Specifications 1 1-1 April 2004 Chapter 1 1 S pecifications This section contains specifications for the following: • Operations and Performance • Electronics • Clamp-on T ransducers • Thickne.
April 2004 1 1-2 Specifications Operation and Performa nce Fluid T ypes Acoustically conductiv e gases with minimum density requirements. See T able 3-1 on page 3-4. Pipe Sizes 4 to 24 in. (101.6 to 609.6 mm) and larg er . (Consult GE Panametrics.) Pipe W all Thickness See T ab le 3-1 on page 3-4.
Specifications 1 1-3 April 2004 Pressure Requirements, Air See T ab le 3-1 on page 3-4. Pressure Requirem ents, Other Gases Dependent upon gas composition, and pipe size and material. Consult GE Panametrics. Measurement Para meters Standard and actual volumetric flow , flow velocity , mass flow for steam.
April 2004 1 1-4 Specifications Electronics Flow Measurement Correlation T ransit-T ime mode Enclosures Submersible IP67 Dimensions W eight: 3 lb (1.36 kg) Size: (h x w x d) 9.
Specifications 1 1-5 April 2004 S tandard Inputs/Output s • One 0/4- to 20-mA current outpu t • One user-selectable pulse (solid state, 5-V maximum) or f r e q u e n c y ( 5 - V s q u a r e w a v .
April 2004 1 1-6 Specifications Clamp-On Ultrasonic Flow T ransducers T emperature Range(s) Stan dard: –40° to 130°C (–40° t o 266°F) Optional (overall range): –4 0° to 230°C (–40° to 4.
Specifications 1 1-7 April 2004 T ransducer Cables • Standard: One pair of LEMO® coaxial transducer connectors with 25-ft (8-m) cables • Optional: 500-ft (152-m) extens ion cables available for m.
April 2004 1 1-8 Specifications Thickness Gauge Option T ransducer GE Panametrics dual element transducer Pipe Thickness Range 0.05 to 3 in. (1 .3 to 76.2 mm) Pipe Materials Most standard metal and plastic pipe materials Accuracy ±1% typical or ±0.0 02 in.
Menu Maps A-1 April 2004 Appendix A Menu Map s Figure A-1: The Main Menu Menu Site Program Meter Logging Service See Figure A-2 See Figures A-3 to A-7 See Figure A-8 See Figure A-9 See Figure A-10.
Menu Maps A-2 April 2004 Figure A-2: The Site Menu Menu Site Fkeys Clear F1 Clear F2 Clear F3 File Drive Manager Menu Item Manager Save 1 View 2 Views 3 Views 4 Views Note: Press [F2] (Cancel) to cancel the entries and return to Menu. P ress [F3] (OK) to con firm the entri es and return to Menu.
Menu Maps A-3 April 2004 Figure A-3: The Program Menu:T r ansducer , Lining, Flu id and Path Options Menu Program Wetted Clamp-on (Preprog rammed Units) Special Frequency Time Delay (Wetted) (Clamp-on.
Menu Maps A-4 April 2004 Figure A-4: The Program Menu: Pipe Op tion Menu Program Pipe Material Sound Speed Other Brass Copper Glass Gold Inconel Iron Monel Nickel Plastic Tin Titanium Tungsten Zinc Al.
Menu Maps A-5 April 2004 Figure A-5: The Program Menu: S t andard V olume Option Standard Volume Atmospheric Pressure Base Pressur e Base Tem p erature Setting s Disabled Enabl ed Inputs Mass Flow Pre.
Menu Maps A-6 April 2004 Figure A-6: The Program Menu: Sc an/Measure, Analog Input and Analog Output Options Menu Program (See Figur e A-5) Note: Pre ss [F2] (C ancel) t o cancel th e entries and retur n to Men u. Press [F3] (OK) to confirm the en tries and retu rn to Menu.
Menu Maps A-7 April 2004 Figure A-7: The Program Menu: Digit al Output, User Functio n and Correction Factor Options Menu Program Digital Output Function Off Puls e Totalizer Frequency Test Points Ga .
Menu Maps A-8 April 2004 Figure A-8: The Meter Menu Units Battery Date/T ime Condition English Metric Date Time Locale Meter Menu Communi cations Totals Reset Both Fwd Rev See Figure A-1 1 User Tables 1 2 3 4 5 6 Table ID # Data Points Max Points Edit Tables Note: Press [F2] (C ancel) to cancel the entries an d return to Me nu.
Menu Maps A-9 April 2004 Figure A-9: The Logging Menu Logging Menu Log Manager Log File New Clone Log Rename Delete Delete All Name Name Name Name Format Linear Circular Type Standard Error Start End .
Menu Maps A-10 April 2004 Figure A-10: The Service Menu Reports T-Gau ge Displa y T-Gauge Setup Diagnostics Service Menu Signal Setup Calibrate Output Input Set Point Actual Programming Low Signal Thr.
Menu Maps A-1 1 April 2004 Figure A-1 1: The Communications Option Meter Menu Communications Node ID Comm Interface IrDA IR 232 Baud Rate 300 600 1200 2400 4800 9600 19.2K 38.4K 57.6K 115.2K Parity None Mark Space Even Odd Stop Bits 1 2 Data Bits 7 8 Note: Press [F2] (Cancel) to canc el the entries and return to Menu.
Establishing IR Communications with the PT878GC B-1 April 2004 Appendix B Est ablishing IR Communications with the PT878GC As discussed in Chapter 2, th e P T878GC includes an infrared transceiver for communication with IR products that comply with the IrDA protocol.
April 2004 B-2 Establishing IR Communications with the PT878GC *May require QuickBeam installation under some circum stances when W indows built-in support fails. QuickBeam is a recom- mended infrared file software transfer utili ty from Extended Sys- tems, Inc.
Establishing IR Communications with the PT878GC B-3 April 2004 Windows Me/98SE/98/95 The W indows 98SE and Me op erating systems include IR drivers. However , in most c ases, the IR port has not been installed or config ured. From the Contr ol Panel, click on Add New Har dwar e and select Choose De vice Fr om List.
Ultrasonic Thickness Gauge Theory o f Operation C-1 April 2004 Appendix C Ultrasonic Thickness Gauge Theory of Operation All ultrasonic thickness gauging in volves timing the round trip of a sound pulse in a test materi al.
April 2004 C-2 Ultrasonic Thickness Gauge Theory of Operation Factors Affecting Performance and Accuracy A. Surface Co ndition - Loose or flaking scale, rust, corrosion or dirt on the outside surface of a test piece will interfere with the coupling of sound energy from th e transducer into the test material.
Ultrasonic Thickness Gauge Theory o f Operation C-3 April 2004 As with any difficult applicatio n, experimentation with actual product samples is the best way to determine the limits of a particular gauge/transducer combination on a given surface.
April 2004 C-4 Ultrasonic Thickness Gauge Theory of Operation Remember that an ultrasonic test measures thickness at only one point within the beam of the tr ansducer , and tha t in corrosion situations wall thicknesses often vary considerably .
Ultrasonic Thickness Gauge Theory o f Operation C-5 April 2004 D. T aper or Eccentricity - If the contact surface and the back surface are tapered or eccentric with respect to each other , the return echo again becomes distorted and the accuracy of measurement is diminished.
Material Safety Data Sheet for Couplant D-1 April 2004 Appendix D Material Safety Dat a Sheet s for Couplant s A variety of couplants are availa ble for use with GE Pana metrics transducers.
1 April 2004 Index A About Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-21 Acceleration Limit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-33 Accuracy Thickness Gauge .
April 2004 2 Index (cont.) C Calibration Analog Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-21 Analog Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-21 Calibration Factor , Entering a .
3 April 2004 Index (cont.) D Dampening Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20 Data Acquisition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Data Logging . . . . .
April 2004 4 Index (cont.) E Electrical Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Electrical Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Electronics .
5 April 2004 Index (cont.) G Graph Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4 H Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14 Hyperterminal for Software Update .
April 2004 6 Index (cont.) L Limits Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5 Line Graph Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4 Lining Parameters, Entering .
7 April 2004 Index (cont.) M M>S Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25 Main Menu Menu Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Mass Flow .
April 2004 8 Index (cont.) P Parameters, Displayed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10 Path for Clamp-on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16 Path Option . . . .
9 April 2004 Index (cont.) R Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-2 Rangeability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-2 Receiver .
April 2004 10 Index (cont.) S Sampling W aves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-40 Schedule for Pipe Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9 Screen Description . . . . .
11 April 2004 Index (cont.) Sound Speed, Calculating . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-14, 9-15 Span (Full Scale) V alue for Analog Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-41 Special T ransducers Entering Data .
April 2004 12 Index (cont.) T T ask Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12 T emperature Operating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-4 Storage .
13 April 2004 Index (cont.) Entering Data for. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-6 Mountings . . . . . .
April 2004 14 Index (cont.) W W arranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii W atchdog T est . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-38 W ave Sampling .
CERT-DOC Rev G5 5/28/02 TÜV ESSEN ISO 9001 U.S. TÜV DECLARA TION OF CONFORMITY We , GE Panametrics Shannon In dustrial Est ate Shannon, C o. Clare Ireland declare under our sole re sponsibility that.
CERT-DOC Rev G5 5/28/02 TÜV ESSEN ISO 9001 U.S. TÜV DECLARA TION DE CONFORMITE Nous, GE Panamet rics Shannon In dustrial Est ate Shannon, C o. Clare Ireland déclarons sous notre propr e responsab i.
CERT-DOC Rev G5 5/28/02 TÜV ESSEN ISO 9001 U.S. TÜV KONFORMITÄTS- ERKLÄRUNG Wi r, GE Panametric s Shannon In dustrial Est ate Shannon, C o. Clare Ireland erklären, in alleiniger V e rantwortung, .
MAIN OFFICES: GE P ANAMETRICS INTERNA TIONAL OFFICES: USA GE Panametrics 221 Crescent St., Suite 1 W al tham, MA 02453-3497 USA T elephone: 781-899-2719 T oll-Free: 800-833-9438 Fax: 781-894-8582 E-mail: panametrics@ps.ge.com W eb : www .gepower .com/panametrics ISO 9001 Certified Ireland GE Panametrics Shannon Industrial Estate Shannon, Co.
US A GE Panametrics 221 Crescent Street, Suite 1 W altham, MA 02453-3497 T elephone: (781) 899-2719 T oll-free: (80 0) 833-9438 Fax: (781) 894-8582 E-Mail: panametrics@ps.
An important point after buying a device GE PT878GC (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought GE PT878GC yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data GE PT878GC - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, GE PT878GC you will learn all the available features of the product, as well as information on its operation. The information that you get GE PT878GC will certainly help you make a decision on the purchase.
If you already are a holder of GE PT878GC, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime GE PT878GC.
However, one of the most important roles played by the user manual is to help in solving problems with GE PT878GC. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device GE PT878GC along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
