Instruction/ maintenance manual of the product Agilent 35670A Agilent Technologies
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Supplemental Operator’s Guide for the Agilent 35670A Dynamic Signal Analyzer By: David Forrest Seattle Sound and Vibration, inc. Print Date: December, 2000 ã Seattle Sound and Vibration, inc.
AGILENT 35670A Supplemental Operator’s Guide SECTION 1 : TURNING ON THE AGILENT 35670A ....................................................................................... ... 1 SECTION 2 : M EASUREMENT STATE AFTER TURN-ON .......................
AGILENT 35670A Supplemental Operator’s Guide SECTION 11 : MODAL TESTING USING A HAMMER AND ACCELEROMETER ................................. 25 S ETTING U P THE T RANSDU CER P AR AM ETE RS ..............................................................
AGILENT 35670A Supplemental Operator’s Guide SECTION 21 : USING AN EXTERNAL TRIGGER FOR TIME AVERAGING ........................................... 60 S PECIFY U SER L EVEL S FOR T RI GG ERING .........................................................
AGILENT 35670A Supplemental Operator’s Guide 1 Section 1 : Turning On the A GILENT 35670 A The entire turn-on procedure for the AGILENT 35670A takes 40 se conds. In that time the analyzer completes a hardware s elf-test, boots its operating system, completes a front end self-calibration and a utoranges all input channels.
AGILENT 35670A Supplemental Operator’s Guide 2 Section 2 : Measurement St ate A f ter Turn-on Inst Mode FFT Channels 2 Measurement Source INPUT Meas Data Data A PWR SPEC1 Data B PWR SPEC2 Data C TIME1 Data D TIME2 Trac Coord Coord A MAG-LOG Coord B MAG-LOG Coord C REAL Coord D REAL Freq Start 0 Hz Stop 51.
AGILENT 35670A Supplemental Operator’s Guide 3 Section 3 : Measuring with Transduc ers The AGILENT 35670A can be used with a broad range of transdu cers. Transducers can use an external pre amplifier to convert the raw signal into a voltage that is compatible with the AGILENT 35670A.
AGILENT 35670A Supplemental Operator’s Guide 4 For example, if an acceler omet er has am inter nal sensitivity of 25 pC/g, and a charge amplifier ha s a gain setting of 10 mV/pC, then the resulting tran sducer sensitivity is 250 mV/g.
AGILENT 35670A Supplemental Operator’s Guide 5 Section 4 : Measuring a Singl e Channel Power Spectrum - Displacem ent This section contains proc edu res for setting up and measuring a sing le channel power spectrum of displacement using an AG ILENT 35670A Dynamic Signal Analyzer.
AGILENT 35670A Supplemental Operator’s Guide 6 Any frequenc y below 51.2 kHz may of course be ent ered, however the anal yzer will select the lowest span that contains the desired frequ ency. For ex ample, if 1200 Hz is entered, the anal y z er is switched to a span of 1600 Hz .
AGILENT 35670A Supplemental Operator’s Guide 7 Input CH1 Rng: 501.7819 mVpk CH2 Rng: 631.706 mVpk CH3 Rng: 2.5149 Vpk CH4 Rng: 2.5149 Vpk Date: 10-02-96 Time: 08:42:00 PM A: CH1 Pwr Spec X:160 Hz Y:169.
AGILENT 35670A Supplemental Operator’s Guide 8 Section 5 : Improving Measurement Results Frequency Zooming to Increase Resolution The AGILENT 35670A has the abilit y to zoom in on a sig nal to show det ail with very fine resolution.
AGILENT 35670A Supplemental Operator’s Guide 9 If continuous real-time measurements over a long du ration are required, and absolutely no overload conditions are desired, then a fix ed input range can be set that is greater than an y si gnal expected.
AGILENT 35670A Supplemental Operator’s Guide 10 • Systm Util Date: 10-02-96 Time: 08:40 PM Date: 01-02-04 Time: 12:44:00 PM A: CH1 Pwr Spec X:160 Hz Y:174.
AGILENT 35670A Supplemental Operator’s Guide 11 Section 6 : Measuring a Singl e Channel Time Wav e form This section contains proc edu res for setting up and measuring a single channel time waveform using an AGILENT 35670A D ynamic Signal Anal y ze r.
AGILENT 35670A Supplemental Operator’s Guide 12 Selecting Time Record Length The default time record length at a fr equenc y span of 51.2 kHz is only 7.8 ms, which is usually not e nough time to capture a mechanical event or observe a transducer ’s time domain signal.
AGILENT 35670A Supplemental Operator’s Guide 13 • Press the [ARM] so ftkey (F9) again. Event Triggering The AGILENT 35670A has the abilit y to trigger the acquisition of a time waveform based on the slope and level of the measured si gnal.
AGILENT 35670A Supplemental Operator’s Guide 14 Input CH1 Rng: 1.0012 Vpk CH2 Rng: 631.706 mVpk CH3 Rng: 2.5149 Vpk CH4 Rng: 2.5149 Vpk Date: 10-02-96 Time: 08:47:00 PM A: CH1 Time X:38.
AGILENT 35670A Supplemental Operator’s Guide 15 Section 7 : Measuring Dual Channel Spect ra This section contains proc edu res for setting up and measuring a dual channel spectrum using an AGILENT 35670A D ynamic Sig nal Anal y z er.
AGILENT 35670A Supplemental Operator’s Guide 16 • Press the [Meas Data] hardkey. • Press the [CHANNEL 1 2 34 ] soft key (F1) until 2 is highlig hted. • Press the [Scale] hardkey. • To ggle the [AUTOSCALE ON OFF] soft k ey (F1) until ON is highlighted.
AGILENT 35670A Supplemental Operator’s Guide 17 Use the marker knob to read the amplitude at an y measured fr equency for Channel 1 in Trace A. To set up the marker for Channel 2 in Trace B, • Press the [Active T race] hardkey. • Press the [B] so ftkey (F2) .
AGILENT 35670A Supplemental Operator’s Guide 18 Section 8 : Improving Du al Channel Measurem ent Results Maximizing Dynamic Range Autoranging to ma ximize the dy namic range of measureme nts in the AGILENT 35670A can function on all channels simultaneousl y.
AGILENT 35670A Supplemental Operator’s Guide 19 Avg [FFT] Type: RMS Number: 10 Update Rt: 5 Overlap: 0 % Date: 10-02-96 Time: 08:51:00 PM X:60 Hz Y:95.
AGILENT 35670A Supplemental Operator’s Guide 20 Section 9 : Measuring Dual Channel Time Waveforms This section contains pr ocedures for setting up and measuring a sing le channel time waveform using an AGILENT 35670A D ynamic Signal Anal y ze r.
AGILENT 35670A Supplemental Operator’s Guide 21 • Press the [CHANNEL 1 234 ] soft key (F1) until 1 is highlig hted. • Press the [TIME CHANNEL 1] so ftkey (F5) • Press the [Scale] hardkey. • To ggle the [AUTOSCALE ON OFF] soft k ey (F1) until ON is highlighted.
AGILENT 35670A Supplemental Operator’s Guide 22 Then set up trigger parameters (for a positive e vent, positive slope) as follows: • Press the [TRIGGER SETUP] so ftkey (F6) • Press the [CHANNEL LEVEL] so ftkey (F1) • Enter 5 then p ress the [PERCENT (%)] so ftkey (F4 ) • Press the [SLOPE POS NEG] so ftkey (F5) until POS is highlighted.
AGILENT 35670A Supplemental Operator’s Guide 23 Using Markers with Dual Channel T ime Measurements Compare the time trace of Channel 1 with Channe l 2 using two techniques: peak tracking and coupled mark ers. With peak tracking active on both chan nels, it is possible to measure an event with two chann els and easil y compare p eak amplit udes.
AGILENT 35670A Supplemental Operator’s Guide 24 • Press the [Active T race] hardkey. • Press the [ ABCD ] softkey (F 7). • Press the [Scale] hardkey. • To ggle the [AUTOSCALE ON OFF] soft k ey (F1) until ON is highlighted. . • Press the [Active T race] hardkey.
AGILENT 35670A Supplemental Operator’s Guide 25 Section 11 : Modal Testing Using a Hammer and A ccelerometer Hammer testing is often the easiest and quickest technique fo r measuring frequenc y response functions used in modal anal ysis.
AGILENT 35670A Supplemental Operator’s Guide 26 • To ggle the [XDCR UNIT ON OFF] soft k ey (F 4) un t il ON is highlighted. • Press the [XDCR UNIT LABEL] sof tk ey (F7). • Sel ect the [g] softk ey (F2). Setting Up Input Range Use CH* AUTO UP ONLY as t he autoran ge routine as follows: • Press the [Input] hardkey.
AGILENT 35670A Supplemental Operator’s Guide 27 • Press the [TRIGGER SETUP] so ftkey (F6) • Press the [ALL CHANNELS] so ftkey (F8) • Press the [CHANNEL * DELAY] so ftkey (F9) • Enter - .01 then press the [S] softk ey (F1) Now to check th at the trigger p arameters ar e correct, • Press the yellow [Start] hard k ey.
AGILENT 35670A Supplemental Operator’s Guide 28 Window [FFT] Type: Force/Expo Width: 15 ms Decay: 30 ms Date: 10-02-96 Time: 09:02:00 PM -9.766ms 115.112ms X:488.281 us Y:-74.925 mV X:488.281 us Y:-53.234 mV -9.766ms 115.112ms X:488.281 us Y:48.1237 mV -9.
AGILENT 35670A Supplemental Operator’s Guide 29 window time constant of 62.5 ms. To set up these Force/Response windows, follow these steps: • Press the [Window] hardkey. • Press the [FORCE EXPO] so ftkey (F4) . • Press the [FORCE EXPO SETUP] so ftkey (F6).
AGILENT 35670A Supplemental Operator’s Guide 30 significantl y. Ten averages may take longer, but ma y be necessar y when testing difficult, non-linear structures. To set up five ave rages, follow these steps: • Press the [A vg ] hardkey. • Toggle the [AVERAGE ON OFF] softk e y (F1 ) until ON is hi g hlighted .
AGILENT 35670A Supplemental Operator’s Guide 31 Changing Frequency Span Changing frequenc y span or resolution affects three important parameters in hammer testing which must be changed to correspond to the new time record len gth: Trigger Delay, Force Window Wi dth, and Response Window Deca y Time.
AGILENT 35670A Supplemental Operator’s Guide 32 Section 12 : Hammer Test Setup Without a Force Transducer Hammer testing for modal anal ysis without a force transducer can yield usable results if an ac celerometer is pl aced on the hamm er and used to trigger t he measurement.
AGILENT 35670A Supplemental Operator’s Guide 33 Section 13 : Order Domain Result s in List Mode Machinery run-ups and run -downs can be anal y z ed with order anal ysis, which is spectral a n alysis normalized to RPM. Re sults can be simplified by examining only a list of amplitude versus order, so that onl y desir ed results are examined.
AGILENT 35670A Supplemental Operator’s Guide 34 • Ent er 4 and press t he [ ORDERS ] so ftkey (F1 ). • Ent er 5 and press t he [ ORDERS ] so ftkey (F1 ). • Ent er 6 and press t he [ ORDERS ] so ftkey (F1 ). • Ent er 7 and press t he [ ORDERS ] so ftkey (F1 ).
AGILENT 35670A Supplemental Operator’s Guide 35 Section 14 : Comparing Two-Channel Real-Time Spectra w ith Recalled Data Compare two c hannels of real-time data with spec tra stored in reg isters using the UPPR/L OWR FRNT/BACK display format of the AGILENT 35670A.
AGILENT 35670A Supplemental Operator’s Guide 36 • Press the [MORE CHOICES] so ftkey (F9) . • Press the [DATA REGISTER] so ftkey (F8) . • Press the [D2] so ftkey (F2) . Recalling th e Spectra from D isk Use data registers D1 and D2 to contain the spe ctra used for comp arison.
AGILENT 35670A Supplemental Operator’s Guide 37 • Press the [Save/Recall] hardkey. • Press the [RECALL DATA] so ftkey (F4) . • Press the [RCL TRACE AND SCALE] so ftkey (F1). • Press the [FROM FILE INTO D1] so ftkey (F1). • Press the [CLEAR ENTRY] so ftkey (F9) .
AGILENT 35670A Supplemental Operator’s Guide 38 Scaling fo r traces A and B are now i dentical. To ac complish t he same trace s caling for C and D, follow thes e steps: • Press the [Active T race] hardkey. • Press the [C D] so ftkey (F1) . • Press the [Scale] hardkey.
AGILENT 35670A Supplemental Operator’s Guide 39 Section 15 : W aterfal l Spectra at Time Intervals Waterfalls on the AGILENT 35670A can be used to examine and compar e spectra at fixed intervals of time. This is especially useful when measurin g non-stationary signals from machiner y, such as during run-ups and run -downs.
AGILENT 35670A Supplemental Operator’s Guide 40 • Press the [Disp Format] hardke y. • Press the [WATERFALL SETUP] sof tk ey (F8). • Toggle the [WATERFALL ON OFF] softk e y (F1 ) until ON is highlighted.
AGILENT 35670A Supplemental Operator’s Guide 41 This makes the w aterfa ll trace ac tive. • Press the [Marke r Fctn] ha rdk ey. • Press the [WATERFALL MARKERS] so ftkey (F5). The SLICE SELECT softkey will be active. Use the mark er knob to move the cursor to the freque n cy of intere st.
AGILENT 35670A Supplemental Operator’s Guide 42 Section 16 : W aterfal l Spectra at RPM Int ervals Spectra can be acquired at fix ed RPM intervals with RPM STEP ARM. This feature allows spectra to be taken at uniform RPM intervals even durin g erratic run-ups.
AGILENT 35670A Supplemental Operator’s Guide 43 • Pr ess 50 then the [RPM] sof tk ey (F1) . Then specif y t he total number of spe ctra to be coll ected (15): • Press the [A ct ive Trace] har dkey. • Sel ect the [B] softkey (F 2). • Press the [Disp Format] hardke y.
AGILENT 35670A Supplemental Operator’s Guide 44 Marker Fcn [Watrfall] Trace: B Save Reg: D2 Base Supr: 0 % Height: 57 % Date: 07-24-96 Time: 11:31:00 PM Slice:122 Hz Trace:4.311 kRPM 0Hz 800Hz A: D2 Pwr Spec B: CH1 Pwr Spec 1 Vrms 100 u LogMag 4 decades 0Hz 800Hz 1 Vrms LogMag 100 uVrms 4.
AGILENT 35670A Supplemental Operator’s Guide 45 Section 17 : Two-Channel A bsolute and Differential Amplitude Measurement Measuring the relative motion between points on a machine can provide info rmation regarding clear ances and forces. Th ese measurement s may also demonst rate a susceptibility of a machine to a particula r mode of vibration.
AGILENT 35670A Supplemental Operator’s Guide 46 • To ggle the [AUTOSCALE ON OFF] soft k ey (F1) until ON is highlighted. . • Press the [Active T race] hardkey. • Press the [B] so ftkey (F1) • Press the [Meas Data] hardkey. • Press the [CHANNEL 1 2 34 ] soft key (F1) until 2 is highlig hted.
AGILENT 35670A Supplemental Operator’s Guide 47 • dif ference in motion between Channel 1 and Channel 2 in mils peak-to- peak • phase angle between the two channels. Set up the AGILENT 35670A • Press the green [Preset] hardk ey • Press [ DO PRESET ] so ftkey (F1 ) .
AGILENT 35670A Supplemental Operator’s Guide 48 • To ggle the [CHANNEL 1 2 34 ] softkey (F1) until 2 is highlighted. • Press the [ LIN SPEC CHANNEL 2 ] s oftk ey (F3) . • Press the [ ENTER ] s oftk ey (F7) . Set up display • Press the [Disp Forma t] ha rdke y.
AGILENT 35670A Supplemental Operator’s Guide 49 • Press the [Active T race] hardkey again. • Press the [D] so ftkey (F2) . • Press the [Trace Coord] har dke y. • Press the [PHASE] so ftkey (F4) . Start measurem ent • Press the yellow [Start] hard k ey.
AGILENT 35670A Supplemental Operator’s Guide 50 Section 18 : Measuring Frequency Response with the AGILENT 35670A Frequency response functions characteriz e the behavior of s ystems to external stimuli.
AGILENT 35670A Supplemental Operator’s Guide 51 • At tach one end o f sting er to sha k er and one end t o force transducer • Connect amplifier output to shaker • Connect amplifier input to AG.
AGILENT 35670A Supplemental Operator’s Guide 52 Choose measurement paramet ers • Press the [Freq] ha rdk ey • Ent er 800 and then pr ess the [ Hz ] soft key (F2) • Press the [A vg ] hardkey. • Press the [NUMBER AVERAGES] so ftkey (F2), enter 4, then press the [ENTER] soft key (F1 ).
AGILENT 35670A Supplemental Operator’s Guide 53 • T urn up the level control on the sha k er amplifier until the excitation is noticeable, but does not buzz or rattle. If buzz ing or rattling is heard, then either the level is too high or the structure is loose and m ust be quie ted.
AGILENT 35670A Supplemental Operator’s Guide 54 • Press the [Disp Forma t] ha rdke y. • Press the [SINGLE] soft key (F1) • Press the [Active T race] hardkey. • Press the [A] softkey (F1). • Press the [Trace Coord] har dke y. • Press the [MORE CHOICES] so ftkey (F6) .
AGILENT 35670A Supplemental Operator’s Guide 55 • To ggle the [AUTOSCALE ON OFF] soft k ey (F1) until ON is highlighted. • Press the [Active T race] hardkey. • Press the [A] softkey (F2). • Press the [Trace Coord] har dke y. • Press the [MORE CHOICES] so ftkey (F6) .
AGILENT 35670A Supplemental Operator’s Guide 56 Section 19 : T w o Spectral Tra ces Showing Mils and Ips whi le EU is G Measure an accel erometer si gnal and displa y velocity and displacement spect.
AGILENT 35670A Supplemental Operator’s Guide 57 • Press the [Trace Coord] har dke y. • Press the [Y UNITS] so ftkey (F8) • To ggle the [AMPLITUDE PK PP RMS] soft k ey (F 4) un t il PK is highlig hted. • Press the [XDCR UNIT CONVERT] so ftkey (F4) • Press the [inch/s (VEL)] so ftkey (F6) • Press the [Scale] hardkey.
AGILENT 35670A Supplemental Operator’s Guide 58 Section 20 : Peak Hold During a Machine Run-up and Coast-Down Peak amplitudes experienced du ring run-ups and coast-downs can be m easured directly with the AGILENT 35670A using peak hold.
AGILENT 35670A Supplemental Operator’s Guide 59 • Press the [Active T race] hardkey. • Press the [A] softkey (F5). • Press the [Scale] hardkey. • To ggle the [AUTOSCALE ON OFF] soft k ey (F1) until ON is highlighted. • Press the yellow [Start] hard k ey.
AGILENT 35670A Supplemental Operator’s Guide 60 Section 21 : Using an External Trigger for Tim e Averaging Use external triggerin g for synchronous avera ging o f linear spectra. W ith a reliable, consistent trigg e r, the re sulting noise floor tends to be elimina ted and the signal-to- noise ratio of the measurement can be optimal.
AGILENT 35670A Supplemental Operator’s Guide 61 Acquire and Displa y the Trigger Signal • Press the yellow [Start] hard k ey. • Press the [Freq] ha rdk ey.
AGILENT 35670A Supplemental Operator’s Guide 62 Measuring Time Avera ged Spectrums with External Tr iggering Now that the ex ternal trigger h as been set up, th e analyzer is r eady to measure a signal w ith time averaging as f ollows: • Connect the external trigger signal to the E XT TRIG port on the bac k of the AGILENT 35670A.
AGILENT 35670A Supplemental Operator’s Guide 63 Section 22 : S av ing Trace Data to a 3.5” Disk or Non-Volatile RA M Save trace data into non-volatile RAM or 3.5” disk using the AGILENT 35670A Save/Recall capabilities. All AGILENT 35670A data is stored as a Standard Data Format (SDF) file.
AGILENT 35670A Supplemental Operator’s Guide 64 Saving Trace t o Non-Volatile RAM (NV- RAM) To store Trace A d ata as a file named “N1.DA T” into NV-RAM, foll ow these steps: • Press the [Active T race] hardkey. • Press the [A] softkey (F5).
AGILENT 35670A Supplemental Operator’s Guide 65 Section 23 : Recalling Trace D a ta From 3. 5” Disk or Non-Volatile Memory Recall trace data from a file in non-vol atile RAM or 3.
AGILENT 35670A Supplemental Operator’s Guide 66 • Press the [DATA REGISTER] so ftkey (F8) . • Press the [D2] so ftkey (F2) . • Press the [Save/Recall] hardkey. • Press the [DEFAULT DISK] so ftkey (F9) . • Press the [NON-VOL RAM DISK] so ftkey (F9).
AGILENT 35670A Supplemental Operator’s Guide 67 Section 24 : Plotting and Printing Trace Data Use the plotting and printing capability of the AGILENT 35670A to generate hardcop y doc umentation of measu rement results.
AGILENT 35670A Supplemental Operator’s Guide 68 • Sel ect the [SYSTEM CONTROLLR] softk ey (F2) . Check the Plot/Pr int Destination • Press the [Plot/P rint] hard k ey. • Press the [PLOT/PRNT DESTINATN] so ftkey (F4) . • Sel ect the [OUTPUT TO GPIB] softk ey (F1) .
AGILENT 35670A Supplemental Operator’s Guide 69 Section 25 : Importing Plots into Microsoft Word The plotter output of the AGILENT 35670A conforms to the HP-GL/2 G raphics Language.
AGILENT 35670A Supplemental Operator’s Guide 70 Plot to a File U sing the AGILENT 3567 0A The AGILENT 35670A has the abilit y to route plotter output to a file. If the file is named with a “.HGL” file extension, then Word will reco gnize this file immediate l y as an HP Graphics Language file.
AGILENT 35670A Supplemental Operator’s Guide 71 Section 26 : Running a Single Calibration Test on Command The AGILENT 35670A automatically runs periodic sel f-calibration tests which ensure that all measurements will meet published performance specifications.
AGILENT 35670A Supplemental Operator’s Guide 72 Section 29 : Transducer Un it Conv ersion w ith the A GILENT 35670A Automatic conversion between acc eleration, velocity, or displacement units is available with the Trace Coord cap ability in the AGILENT 35670A.
AGILENT 35670A Supplemental Operator’s Guide 73 • Press the [XDCR UNIT CONVERT] so ftkey (F4) • Press the [inch (DISP)] so ftkey (F7) • Press the [Scale] hardkey. • To ggle the [AUTOSCALE ON OFF] soft k ey (F1) until ON is highlighted. This accomplishes the equivalent of multiplying “g” by 386.
AGILENT 35670A Supplemental Operator’s Guide 74 • Press the [DEFINE CONSTANT] so ftkey (F2). • Press the [DEFINE K1] so ftkey (F1) . • Ent er 386.4 and p r ess the [ENTER] softk ey (F1). • Press the [A na lys ] hardkey. • Press the [DEFINE FUNCTION] so ftkey (F1).
AGILENT 35670A Supplemental Operator’s Guide 75 Section 30 : Using the Agilent Technologies D e mostration Unit with the A GILENT 35670A Several of the sections in this User’ s Guide are best explained with live data using transducers and machin es.
AGILENT 35670A Supplemental Operator’s Guide 76 above the track number. The following d escriptions link the Sec tion in this User’s Guide to the appropriate CD track. Also described herein is the recommended CD output chann el connection to the AGILENT 35670A.
AGILENT 35670A Supplemental Operator’s Guide 77 Section 4: Me asuring a Single Channel Spect rum CD Track: 24 CD Track Desc.: 160 kHz Calibration Tone Left Ch. (A Out): N/A Right Ch. (B Out): Channel 1 of the AG ILENT 35670A Section 5: Im p roving Measure ment Results CD Track: 24 CD Track Desc: 160 kHz Calibration Tone Left Ch.
AGILENT 35670A Supplemental Operator’s Guide 78 Section 10: Measuring Dual Channel Spectra and Time Waveforms CD Track: 41 CD Track Desc.: Current Probe, Tachometer Left Ch.
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If you have not bought Agilent Technologies Agilent 35670A 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 Agilent Technologies Agilent 35670A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Agilent Technologies Agilent 35670A you will learn all the available features of the product, as well as information on its operation. The information that you get Agilent Technologies Agilent 35670A will certainly help you make a decision on the purchase.
If you already are a holder of Agilent Technologies Agilent 35670A, 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 Agilent Technologies Agilent 35670A.
However, one of the most important roles played by the user manual is to help in solving problems with Agilent Technologies Agilent 35670A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Agilent Technologies Agilent 35670A 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
