Hach SIGMA 900 Instrument Manual
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Hach SIGMA 900 Instrument Manual

Composite sampler
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Catalog Number 8544
Sigma 900 Composite Sampler
INSTRUMENT MANUAL
© Hach Company, 2003. All rights reserved. Printed in the U.S.A. eac 07/03 2ed

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  • Page 1 Catalog Number 8544 Sigma 900 Composite Sampler INSTRUMENT MANUAL © Hach Company, 2003. All rights reserved. Printed in the U.S.A. eac 07/03 2ed...
  • Page 2 Visit http: //www.hach.com...

  • Page 3: Table Of Contents

    Section 1 Specifications ... 5 Section 2 General Information ... 7 2.1 Instrument Description ... 7 2.2 Interface Connectors... 7 2.2.1 Receptacle Caps ... 7 2.3 Front Panel... 8 2.3.1 Keypad and Display ... 8 2.3.2 Humidity Indicator... 8 2.4 Safety Information ... 9 2.4.1 Use of Hazard Information...
  • Page 4 Table of Contents Section 5 Maintenance ... 33 5.1 Cleaning the Sampler ... 33 5.1.1 Cleaning the Sampler Housing... 33 5.1.2 Cleaning the Sample Bottles ... 33 5.1.3 Cleaning the Intake Tubing and Pump Tubing ... 33 5.1.4 No Lubrication Required... 33 5.2 Pump Tubing Maintenance...

  • Page 5: Section 1 Specifications

    Section 1 Controller Dimensions Pump/Controller Housing Sample Pump Pump Body Vertical Lift Sample Transport Velocity Pump Flow Rate Sample Volume Sample Volume Repeatability Sampling Modes Interval Between Samples Intake Purge Control Panel Internal Clock Programmable Delay Manual Sample Data Logging Automatic Shutdown Intake Tubing Intake Strainers...
  • Page 6 Visit http: //www.hach.com...

  • Page 7: Section 2 General Information

    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).

  • Page 8: Front Panel

    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.

  • Page 9: Safety Information

    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.

  • Page 10: Use Of Hazard Information

    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.

  • Page 11: Confined Space Entry

    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...

  • Page 12: Definition Of Confined Space

    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 •...

  • Page 13: Section 3 Installation

    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).

  • Page 14: Mounting The Sampler

    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.

  • Page 15: Setting Up The Intake Line And Strainer

    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.

  • Page 16: Power Connections

    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.

  • Page 17: Auxiliary Connection

    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.
  • Page 20 Visit http: //www.hach.com...

  • Page 21: Section 4 Operation

    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.

  • Page 22: Tips And Techniques For Programming The Instrument

    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".

  • Page 23: Setting The Time And Date

    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.

  • Page 24: Explanations Of Program Messages

    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.

  • Page 25: Data Logging

    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...

  • Page 26: Measurements Triggered By Liquid Levels Or Flow

    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.

  • Page 27: Programming The Sampler For Level Control

    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.

  • Page 28: Flow Proportional Operation

    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...
  • Page 32 Visit http: //www.hach.com...

  • Page 33: Section 5 Maintenance

    Section 5 5.1 Cleaning the Sampler 5.1.1 Cleaning the Sampler Housing 5.1.2 Cleaning the Sample Bottles 5.1.3 Cleaning the Intake Tubing and Pump Tubing 5.1.4 No Lubrication Required 5.2 Pump Tubing Maintenance 5.3 Upgrades, Repairs, General Maintenance 5.4 Electrostatic Discharge (ESD) Considerations 5.5 Internal Maintenance Items Removing and Opening the Controller CAUTION...

  • Page 34: Re-Installing The Bottom Panel

    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.

  • Page 35: Internal Desiccant Module

    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.

  • Page 36: Motor/Gear Box

    Section 5 Desiccant module slides under circuit board J8 LCD Display J6 Auxiliary J1 Liquid Sensor Lithium Memory Battery 5.10 Motor/Gear Box 5.11 Internal Case Humidity Indicator 5.12 Internal Case Humidity Indicator 5.13 Memory Battery Page 36 Motor/Gear Box J5 Distributor/Full Bottle Shut-off J2 12 V dc J3 Fuse J4 Motor...

  • Page 37: Section 6 Contact Information For U.s.a. & Outside Europe

    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.

  • Page 38: Section 7 Contact Information For Europe

    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.

  • Page 39: Section 8 Limited Warranty

    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.
  • Page 40 Visit us at www.hach.com...

  • Page 41: Section 9 Parts And Accessories

    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 ...
  • Page 42 Visit http: //www.hach.com...

  • Page 43: Appendix A Programming Flow Chart

    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?
  • Page 44 Visit http: //www.hach.com...

  • Page 45: Appendix B Batteries And Chargers

    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...

  • Page 46: Nickel-Cadmium Batteries

    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...

  • Page 47: Appendix C Exploded View Drawings

    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...

  • Page 48: Exploded View (2 Of 6)

    Appendix C Exploded View (2 of 6) Item Number Keypad Cable Assembly Page 48 Exploded View Drawings Description Latch Screw CPU PCB Assembly 900 Controller Cover PCB Shield Plate Part Number 2279 8586 SE 340 8921 8611 8624 8544apdx_engdraw.fm...

  • Page 49: Exploded View (3 Of 6)

    Exploded View (3 of 6) 26-27 15-16 12-13 Item Description Number 900 Controller Case Hex Nut Screw/Threadlock (SE 957) PCB Assembly Screw Threadlock Ultrasonic Sensor Gasket Retainer Plate Retainer Plate Gasket Hex Nut Humidity Indicator Overlay Retainer Plate O-ring Lubricant Retainer Plate Gasket Mounting Plate 8544apdx_engdraw.fm...

  • Page 50: Exploded View (4 Of 6)

    Appendix C Exploded View (4 of 6) Item Description Number 5 Amp Fuse Label Overlay Screw Desiccant Bag Lock Washer Page 50 Exploded View Drawings Part Item Number Number 8537 Hex Nut (tighten to 16 in./lb) 8807 Distributor Cable Assembly SE 343 900 Controller Cover 8849...

  • Page 51: Exploded View (5 Of 6)

    Exploded View (5 of 6) 19-20 Item Description Number Gearbox Assembly Motor Cable Assembly Screw Internal Power Cable Assy. Connector Mounting Plate Mounting Plate Gasket O-ring Lubricant Screw Bracket Display Assembly Screw 8544apdx_engdraw.fm Part Item Number Number 8910 Screw 8859 Lock Washer SE 229 Desiccant Card Bracket...

  • Page 52: Exploded View (6 Of 6)

    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)

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