Section 2 2.1 Instrument Description 2.2 Interface Connectors 2.2.1 Receptacle Caps 8544intro.fm General Information The instrument is designed to automatically collect and preserve samples from a liquid source. The sampler is suitable for collection of conventional and toxic pollutants and suspended solids. The sampler collects samples on either a timed cycle basis, or in proportion to flow when used in conjunction with a flow meter (flow meter connected to the auxiliary connector).
Section 2 Figure 1 Interface Connectors 12 V 2.3 Front Panel 2.3.1 Keypad and Display 2.3.2 Humidity Indicator Page 8 Front Panel Auxiliary The front panel consists of the keypad, liquid crystal display, and the internal case humidity indicator (Figure The sampler controller is equipped with a 24 character alphanumeric liquid crystal display which automatically steps the user through the program settings.
Figure 2 900 Composite Sampler Function Key Peristaltic Pump Peristaltic Pump Tubing Tubing Clamp 2.4 Safety Information 8544intro.fm Power On Indicator LED Desiccant Indicator 24-character Alphanumeric Liquid Crystal Display Please read this entire manual before unpacking, setting up, or operating this instrument.
National Electrical Code. DANGER Although some Hach products are designed and certified for installation in hazardous locations as defined by the National Electrical Code, many Hach products are not suitable for use in hazardous locations. It is the responsibility of the individuals who are installing the products in hazardous locations to determine the acceptability of the product for the environment.
Bien que certains produits Hach soient conçus et certifiés pour être installés dans des endroits dangereux tels que définis par le National Electric Code, de nombreux produits Hach ne conviennent pas pour de tels endroits. Il relève de la responsabilité des personnes qui placent les produits dans des endroits dangereux de déterminer s'ils sont adaptés à...
Section 2 2.4.5 Definition of Confined Space Page 12 Safety Information A Confined Space is any location or enclosure that presents or has the immediate potential to present one or more of the following conditions: • An atmosphere with less than 19.5% or greater than 23.5% oxygen and/or more than 10 ppm Hydrogen Sulfide (H •...
Remove the sampler from the shipping carton and inspect it for any damage. Contact Hach Customer Service at 1-800-227-4224 if any items are missing or damaged. The sampler is completely self-contained and may be located indoors or outdoors without protection, between 0 to 50 °C (32 to 120 °F).
Section 3 Figure 4 Wall Mount Bracket 3.3 Mounting the Sampler 3.4 Attaching the Intake Line 3.4.1 Vinyl Intake Tubing 3.4.2 Teflon-Lined Polyethylene Intake Line Page 14 Mounting the Sampler Attach the wall mount bracket to a stable panel or wall bracket so the sample display and keypad are easily accessible.
3.5 Setting Up the Intake Line and Strainer 3.6 Choosing Bottles 3.7 Installing the Full Bottle Shut-Off 8544install.fm 4. Slide the tubing clamp over the silicone tubing until it is over the stainless steel fitting on the liquid sensor. Tighten to secure. 5.
Section 3 Figure 5 Full Bottle Shut-off Sample Tubing 3.8 Power Connections Note: Make sure both rubber hold- downs are attached to the clips at each end of the power supply. Page 16 Power Connections Full Bottle Shut-off The sampler controller operated on 12 V dc which is supplied by an optional ac/dc power converter and/or battery.
3.9 12 V dc 3.10 Auxiliary Connection Signal Description Wire Color Purpose 12 V dc White ground Blue Flow Pulse Input Yellow 8544install.fm • Before performing any maintenance, disconnect the sampler from the power source. • Do not attempt to make any connection or otherwise handle the electrical components of the sampler when connected to ac line power if the immediate area is wet, or if hands or clothing are wet.
Page 18
Section 3 Signal Description Wire Color Purpose Liquid Level Actuator/Auxiliary Black Control Input Special Output Program Complete Green Output Note: The sampler provides 12 V dc on Pin A of the Auxiliary Receptacle and this voltage is pulsed back to Pin C each time the contact closes on the external flow meter.
Page 19
Figure 6 4–20 mA Interface and Pulse Duration Input Figure 7 Splitter Interface 8544install.fm For details on programming the sampler for flow proportional operation, refer to SECTION. Splitter Interface This splitter interface (Cat. No. 939) can be used if access to more than one of the Auxiliary Receptacle functions is required simultaneously.
Section 4 4.1 Keypad and Key Functions Button Function Energizes Sampler De-energizes sampler and halts program in progress Initiates the sampling program and resets all counts to zero (including datalogger). When the START PROGRAM button is pressed, all recorded data (program entries and START PROGRAM collected sample times/dates) are erased from memory.
Section 4 Figure 8 Front Panel 4.2 Tips and Techniques for Programming the Instrument Page 22 Tips and Techniques for Programming the Instrument • The instrument beeps each time a key is pressed. • After the ON button is presses, the display will show one of the following messages: "Program Halted", "Program Running", "Program Complete", or "Ready to Start".
4.3 Setting the Time and Date Note: When setting the time and date, the key causes the display to back up to the previously flashing character. 4.4 Bottle Setup Mode 8544operations.fm Before programming the sampler for the first time, check the real time clock and date settings.
Section 4 4.5 Explanations of Program Messages Item Message Number READY TO START Indicates that a program is ready to start. To start, press PROGRAM HALTED Indicates the sampling program has been interrupted. Indicates that a program is in process. Keys PROGRAM RUNNING program is running.
Item Message Number TRY AGAIN? another rinse cycle. Press ENTER ID# Enter an optional identification number if desired. This message indicates that all programming steps have been completed. Press PROGRAM SETUP COMPLETE, operating status, press READY TO START When you press download recorded data before pressing 4.6 Data Logging 4.7 Manual Mode...
Section 4 4.8 Measurements Triggered by Liquid Levels or Flow Page 26 Measurements Triggered by Liquid Levels or Flow 5. To exit the manual mode, press to the standby state. While the sampler is in standby, a sample cycle can be initiated by pressing key.
4.9 Programming the Sampler for Level Control Item Message Number If you press LEVEL CONTROL display shows item 2. If you press LEVEL START? display shows item number 4. If you press LEVEL START/STOP display shows item number 5. If you press SAMPLE ON LEVEL? display shows item number 1.
Section 4 4.11 Flow Proportional Operation 4.11.1 How to Calculate Pulses/Counts 4.11.1.1 Flow Proportional Sampling Intervals—Using External Pulses Page 28 Flow Proportional Operation The sampler is equipped to receive either a momentary dry contact closure or a +5 to +12 V dc pulse from a flow meter, where each pulse represents a known flow increment.
Page 29
Flow Proportional Sampling, External—Using 4–20 mA Signal Converted to Pulses, Flow Signal Interface 8544operations.fm 1. Determine the flow increment between samples: 85,000 gallons 3,542 gallons/sample --- - -------------------------------------- - 24 samples 2. Multiply the flow increment, f, by the pulse frequency output of the flow meter.
Page 30
Section 4 Page 30 Flow Proportional Operation Use the following examples to help you determine the value that you need to enter when programming for sampling based on counts. Example 1 You want to collect 24 samples over a 24-hour period on a 4–20 mA flow proportional basis.
Page 31
8544operations.fm 2. Calculate t. 1440 min 15 min/sample -- - ------------------------------ - 96 samples 3. Multiply Q x t. × 0.26 mgd 15 min/sample Therefore, the value entered for Example 4 You want to collect 32 samples over an 8-hour period. Average Flow Rate = 70 gpm (average flow rate over the 8-hour period) Maximum Flow Rate = 210 gpm a = 480 minutes...
Section 5 5.7 Re-installing the Bottom Panel Figure 9 Tightening the Nuts on the Bottom Panel Page 34 Re-installing the Bottom Panel 4. Place the controller, face down, on a cloth-covered workbench to prevent scratching the front panel. 5. Inside the Center Section, remove the four screws that fasten the Controller.
5.8 Internal Desiccant Module 5.9 Circuit Board Identification Figure 10 Circuit Board Description shld 8544Maintenance.fm The Internal Desiccant Module (Cat. No. 787) consists of a moisture-absorbent material inside a poly bag. If the humidity indicator on the front panel turns pink, replace the module and the back panel perimeter gasket.
In the U.S.A., call 1-800-635-1230. Outside the U.S.A. and Europe, send E-mail to intl@hach.com. Repair Service Authorization must be obtained from Hach Company before sending any items for repair. Please contact the Hach Company Service Center serving your location. Hach Company P.O.
Section 7 Contact Information for Europe For technical support, repair service, and ordering information please refer to the contact information below for your specific country. For additional information, visit www.hach-lange.com. Austria Dr. Bruno Lange Ges. MBH Industriestraße 12 A - 3200 Obergrafendorf Tel.
The sc100 Controller is warranted for two years from the date of shipment. In the event that a defect is discovered during the warranty period, Hach Company agrees that, at its option, it will repair or replace the defective product or refund the purchase price, excluding original shipping and handling charges.
Section 9 Description 3-way Splitter Assembly ... 939 4–20 mA Interface, 10 ft Cable... 2021 900 Series Peristaltic Pump Tubing, 15 ft ... 4600-15 900 Series Peristaltic Pump Tubing, 50 ft ... 4600-50 900 Series Peristaltic Pump Tube Insert ... 8888 All Weather Refrigerated Cabinet, 115 V ac ...
Appendix A Program Flow Chart Ready to Start Enter units for bottle volume (ML or Gal) Press Enter bottle volume (in specified units) PROGRAM to start here Program Delay? Timed Mode? Set Time Interval Between Samples Other Changes? Composite Mode? Continuous Mode? Set # of Samples Change Volume?
Appendix B Lead-Acid (Gel Cell) Batteries Note: The use of chargers other than those provided by manufacturor for use with these batteries is not recommended and may damage the battery or shorten its life. Figure 1 Battery Discharge Characteristics 100% 8544apdx_batteries.fm Batteries and Chargers Lead-acid batteries are designed to prevent electrolyte leakage from the...
Appendix B Nickel-Cadmium Batteries Note: The use of chargers other than those provided by the manufacturor for use with these batteries is not recommended and may damage the battery or shorten its life. Page 46 Batteries and Chargers Table 3 Lead-Acid Battery Storage Recommendations Storage Temperature 0 to 20 °C 21 to 30 °C...
Appendix C Exploded View (1 of 6) Item Number 8544apdx_engdraw.fm Exploded View Drawings Description Pump Assembly Overlay Pump Tube Insert Hex Nut Threadlock Flat Washer Part Number 1075 2441 SE 403 SE 957 SE 400 Page 47 Exploded View Drawings...
Appendix C Exploded View (6 of 6) Insert wires into motor terminals from gearbox side. Solder wires directly to motor terminals—snip any excess wire as necessary. (2 PLCS) Item Number Page 52 Exploded View Drawings Description CPU PCB Assembly Distributor (J5) Auxiliary (J6) Pin 2 (J3) Power (J2)
Need help?
Do you have a question about the SIGMA 900 and is the answer not in the manual?
Questions and answers