Instruction/ maintenance manual of the product 900 Hach
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Catalog Number 8544 Sigma 900 Composite Sampler INSTR UMENT MANU AL © Hach Company , 2003. All rights reserved. Printed in the U .S.A. eac 07/0 3 2ed.
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Pag e 3 8544T OC.fm T able of Contents Ta b l e o f C o n t e n t s Section 1 Specifications ............ ............. ................ ................ ............. ................ ................. ............ ................. . 5 Section 2 General Inf ormation .
Pag e 4 T able of Conten ts 8544T OC.fm T able of Contents Section 5 Maintenance ........... ............. ................ ................ ............. ................ ................ ............. ................ ... 33 5.1 Cleaning the Sampler .
Pag e 5 8544specs.fm Specifications Section 1 Specifications Specifications are subject t o change without notice . Contr oller Dimensions Height: 34 cm (13.
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Pag e 7 8544intro .fm General Inf ormation Section 2 General Inf ormation 2.1 Instrument Description The instrument is desig ned to automatical ly collect and preserve samples from a liquid so urce. The sampler is s uit able f or collection of con ventional and to xic pollutants and suspen ded solids.
Pag e 8 Front P anel 8544intro .fm Section 2 Figure 1 Interface Con nector s 2.3 Fr ont P anel The front panel cons ists of the k eypad , liquid cr ystal displa y , and the internal case humidity indicator ( Figure 2 ).
Section 2 Pag e 9 8544intro .fm Safety Information Figure 2 900 Composite Sampler 2.4 Safety Inf ormation Please read th is entire man ual before unpa ck ing, setting up , or oper ating this instru ment. P ay particular attention to all danger a nd caution statemen ts.
Pag e 1 0 Safety Info rmation 8544intro .fm Section 2 2.4.1 Use of Hazard Information If multiple hazards e xist, this manu al will use the signal word (Danger , Caution, Note) correspo nding to the gr eatest hazard.
Section 2 Pag e 1 1 8544intro .fm Safety Information D ANGER Bien que certains produits Hac h soient conçu s et certifiés pour être in stallés dans des endroits dangere ux tels que définis par l e National Electric Code , de nombreux produits Hach ne con viennent pa s pour de tels endroits.
Pag e 1 2 Safety Info rmation 8544intro .fm Section 2 2.4.5 Definition of Confined Space A Confined Space is an y location or enclosure t hat presents or has the immediate p otential to present on e or more of the following conditions: • An atmosphere with less tha n 19.
Pag e 1 3 8544install.fm Installation Section 3 Installation D ANGER Only qu alified per sonnel should conduct the install ation tasks described in t his section of the manual 3.1 Unpac king the Instrument Remov e the samp ler from th e shipping car t on and inspec t it for any damage.
Pag e 1 4 Mounting the Sampler 8544install.f m Section 3 Figure 4 W all Mount Brack et 3.3 Mounting the Sampler Attach the w all mount brack et to a stable pane l or wall ( Figure 4 ). Mount the brac ket so the sample displa y and ke ypad are easily accessible .
Section 3 Pag e 1 5 8544install.fm Setting Up the Intake Line and Strainer 4. Slide the tubing clamp ov er the silicone tubing until it is ov er the stainless steel fitting on t he liquid sensor . Tighten to secu re. 5. Repeat the proced ure f or the intake st rainer .
Pag e 1 6 Pow e r C o n n e c t i o n s 8544install.f m Section 3 Figure 5 Full Bottle Shut-off 3.8 P ower Connections The sampler controlle r operated on 12 V dc which is supplied by an optional ac/dc pow er con v er ter and/or battery . Note: Make sure both rubber hold- downs are attached to the clips at each end of the power supply .
Section 3 Pag e 1 7 8544install.fm 12 V dc • Bef ore performing an y maintenance , disconnect the sampler fro m the pow er source. • Do not attempt to mak e any connection or othe rwise handle the electrical components of the sampler wh en connected to ac line po wer if the immediate a rea is wet, or if hands or c lothing ar e wet.
Pag e 1 8 A uxiliary Connection 8544install.f m Section 3 Contact Closures The sampler controlle r is capab le of accum ulating 1 to 99 99 contact clo sures.
Section 3 Pag e 1 9 8544install.fm A uxiliary Conne ction Figure 6 4–20 mA Interface and Pu lse Duration Input F or details o n progr amming the sample r f or flow propor tional oper ation, ref er to SECTION. Splitter Interface This splitter interf ace (Cat.
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Pag e 2 1 8544operation s.fm Operation Section 4 Operation 4.1 Ke ypad and Key Functions Figure 8 shows the 18-p osition k eyp ad and 24-char acter alphan umeric displa y .
Pag e 2 2 Tips and T echniques for Programming the Instrume nt 8544operations .fm Section 4 Figure 8 Front P anel 4.2 Tips and T echniques for Pr ogramming the Instrument • The instrument beeps each time a k ey is pressed.
Section 4 Pag e 2 3 8544operation s.fm Setting the Ti me and Da te 4.3 Setting the Time and Date Bef ore programming t he sampler f or the first time, check the real time cloc k and date setting s. Note: When setting the time and date, the * ke y causes the display to back up to the pre viously fl ashing character .
Pag e 2 4 Explanations of Pr ogram Messages 8544operations .fm Section 4 4.5 Explanations of Pr ogram Messages Item Number Message Descr iption of Message 1 READ Y T O ST ART Indicates that a program is ready to star t. T o star t, press ST ART PROGRAM .
Section 4 Pag e 2 5 8544operation s.fm Data Logg ing 4.6 Data Logging The sampler records the tim e and date that each sa mple was collecte d, up to 400 samples.
Pag e 2 6 Measurements T riggered by Liquid Le vels or Flow 8544operations .fm Section 4 5. T o e x it the man ual mode, pre ss CLEAR ENTR Y . This retur ns the sampler to the standb y state. While the sampler is in standb y , a samp le cyc le can be initiated by pressing the T AKE SAMPLE key .
Section 4 Pag e 2 7 8544operation s.fm Pr ogramming the Sampler for Le vel Contro l 4.9 Pr o gramming the Sampler f or Level Contr ol Put the sampler in a standb y state (i.e. "Prog ram Halted", "Ready T o Star t" or "Program Complete") hold CLEAR ENTR Y fo r two seconds.
Pag e 2 8 Flow Proportional Operation 8544operations .fm Section 4 4.11 Flo w Pr oportional Operation 4.11.1 Ho w to Calculate Pulses/Counts 4.11.1.1 Flo w Propo rtional Sampling Intervals—Using Ext.
Section 4 Pag e 2 9 8544operation s.fm Flow Pr oporti onal Operati on 1. Determine the flo w increment between samples: 2. Multiply the flow increment, f , by the pu lse frequency output o f the flo w meter . Theref ore, the v alue fo r INTV = _ _ _ _ CNTS is 71.
Pag e 3 0 Flow Proportional Operation 8544operations .fm Section 4 Use the f ollowing e xamples to help you dete r mine the v alue that you need to enter when prog ramming f or sampling based on counts . Example 1 Y ou want to collect 24 samples o ver a 24-hour period on a 4–20 mA flo w propor tional basis .
Section 4 Pag e 3 1 8544operation s.fm Flow Pr oporti onal Operati on 2. Calculate t . 3. Multiply Q x t . Theref ore, the v alue entered f or INTV = _ _ _ _ CNTS is 4.
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Pag e 3 3 8544Maintenance .fm Maintenance Section 5 Maintenance D ANGER Only qu alified per sonnel should conduct the install ation tasks described in t his section of the manual 5.1 Cleaning the Sampler 5.1.1 Cleaning the Sampler Housing The interior and e xterior sampler housing ma y be cleaned with a damp sponge and mild deter gent.
Pag e 3 4 Re-installing the Bottom Panel 8544Maintenance .fm Section 5 4. Place the controller , face do wn, on a cloth-cov ered workbench to pre vent scratching the front panel. 5. Inside the Center Sec tion, remove the f our screws that fasten the Controller .
Section 5 Pag e 3 5 8544Maintenance .fm Internal Desiccant Module 5.8 Internal Desiccant Module The Internal Desiccant Module (Cat. No . 787) consists of a moisture-a bsorbent m ater ial inside a poly bag. If the hu midity indic ator on the front panel turns pink, replace the module and the bac k panel perimeter gask et.
Pag e 3 6 Motor/Gear Bo x 8544Maintenance .fm Section 5 5.10 Motor/Gear Bo x The motor/gear bo x requires no regular ma intenance . The special f or mulation gears are self lubricating and requir e no oil or grease .
Contact Inf ormation for U .S.A. & Outside Eur ope Pag e 3 7 Section 6 Contact Inf ormation for U .S.A. & Outside Europe Or dering Inf ormation f or the U .S.A. Informa tion Required Or dering Inf ormation f or Outside the U .S.A. and Europe Hach Company mainta ins a worldwide network of dealers and distributo rs.
Contact Inf ormation for Eur ope Pag e 3 8 Section 7 Contact Inf ormation for Eur ope F or technical suppo r t, repair ser vice, and ordering inf or mation please ref er to the contact inf or mation below f or your specific country . F or additional inf ormation, visit www .
Limited W arranty Pag e 3 9 Section 8 Limited W arranty Hach Company w arrants its products to the original purchaser against an y def ects that are due to fau lty material or workmanship for a period of *one year* from date of shipment unless ot herwise noted in the product man ual.
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Pag e 4 1 8544parts.fm P ar ts and Accessories Section 9 P ar ts and Accessories Description Pa r t N u m b e r 3-wa y Splitter Assem bly ......... ................. ................ ............. ................ ................ ................ . .
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Pag e 4 3 8544apdx_pulsecounts .fm Programming Flo w Chart Appendix A Pr ogramming Flow Char t Pr ogram Flow Chart Ready to St art Program Halted Program Complete Bottle Setup - Press Enter units for.
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Pag e 4 5 8544apdx_batteries. fm Batteries and Chargers Appendix B Batteries and Char gers Lead-Acid (Gel Cell) Batteries Lead-acid batte ries are designed to pre vent electro lyte leakage from t he ter minals or c ase. The electrol yte is suspende d in a gel, which ensu res safe , efficient operation in any position.
Pag e 4 6 Batteries and Chargers 8544apdx_batteries .fm Appendix B Nic kel-Cadmium Batteries Nick el-cadmium batter ies provide superi or power capabilities when used at low temper atures. The y also perfo rm a higher number of charge/dischar ge cycles than lead-a cid batteries.
Pag e 4 7 8544apdx_engdra w .fm Exploded View Drawings Appendix C Exploded Vie w Drawings Exploded Vie w (1 of 6) Item Number Description QTY Pa r t N u m b e r 1 Pump Assemb ly 1 1075 2 Ov erlay 1 90.
Pag e 4 8 Exploded Vie w Draw ings 8544apdx_engdra w .fm Appendix C Exploded Vie w (2 of 6) Item Number Description QTY Pa r t N u m b e r 1 Latch 1 2279 2 K eypad Cable Assemb ly 1 8586 3 Screw 6 SE .
Appendix C Pag e 4 9 8544apdx_engdra w .fm Exploded View Drawings Exploded Vie w (3 of 6) Item Number Description QTY Pa r t Number Item Number Description QTY Pa r t Number 1 900 Controller Case 1 86.
Pag e 5 0 Exploded Vie w Draw ings 8544apdx_engdra w .fm Appendix C Exploded Vie w (4 of 6) Item Number Description QTY Pa r t Number Item Number Description QTY Pa r t Number 1 5 Amp Fuse Label 1 8537 6 He x Nut (tighten to 16 in.
Appendix C Pag e 5 1 8544apdx_engdra w .fm Exploded View Drawings Exploded Vie w (5 of 6) Item Number Description QTY Pa r t Number Item Number Description QTY Pa r t Number 1 Gearbo x Assembly 1 8910.
Pag e 5 2 Exploded Vie w Draw ings 8544apdx_engdra w .fm Appendix C Exploded Vie w (6 of 6) Item Number Description Pa r t N u m b e r 1 CPU PCB Assembly 8921 2 Distributor (J5) — 3 Auxiliary (J6) .
An important point after buying a device Hach 900 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Hach 900 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 Hach 900 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Hach 900 you will learn all the available features of the product, as well as information on its operation. The information that you get Hach 900 will certainly help you make a decision on the purchase.
If you already are a holder of Hach 900, 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 Hach 900.
However, one of the most important roles played by the user manual is to help in solving problems with Hach 900. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Hach 900 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
