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Hach Sigma 1600 Instrument Manual

Automatic liquid sampler
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Catalog Number 6507
Sigma 1600 Automatic Liquid Sampler
INSTRUMENT MANUAL
© Hach Company, 2002–2007, 2011. All rights reserved. Printed in U.S.A.
eac/jk/dk 01/2011 8ed

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  • Page 1 Catalog Number 6507 Sigma 1600 Automatic Liquid Sampler INSTRUMENT MANUAL © Hach Company, 2002–2007, 2011. All rights reserved. Printed in U.S.A. eac/jk/dk 01/2011 8ed...
  • Page 2 Visit http: //www.hach.com...

  • Page 3: Table Of Contents

    Table of Contents Specifications ................................8 Section 1 Overview .............................. 9 1.1 Measurement Capabilities ..........................9 1.1.1 Timed-Cycle Measurement ........................10 1.1.2 Flow Proportional Sampling Mode......................10 INSTALLATION ..............................11 Section 2 Installation ............................13 2.1 Locating the Sampler ............................13 2.2 Piping Connections ............................
  • Page 4 Table of Contents GENERAL INFORMATION ..........................45 Contact Information for U.S.A. and Outside Europe ....................47 Contact Information for Europe ..........................48 Warranty ................................. 49 Page 4 Table of Contents 6507TOC.fm...
  • Page 5 Safety Precautions Please read this entire manual before unpacking, setting up, or operating this instrument. Pay particular attention to all danger and caution statements. Failure to do so could result in serious injury to the operator or damage to the equipment. To ensure the protection provided by this equipment is not impaired, do not use or install this equipment in any manner other than that which is specified in this manual.
  • Page 6 Note: For return for recycling, please contact the equipment producer or supplier for instructions on how to return end-of-life equipment, producer-supplied electrical accessories, and all auxillary items for proper disposal. Hazardous Locations The Sigma 1600 Automatic Liquid Sampler is not approved for use in hazardous locations as defined in the National Electrical Code. DANGER...
  • Page 7 Safety Precautions PERICOLO Nonostante alcuni prodotti Sigma, siano predisposti e certificati per l'installazione in ambienti pericolosi, come previsto dal Codice Normativo Nazionale che concerne l'elettricità, è sconsigliabile utilizzare prodotti Sigma in ambienti considerati pericolosi. E' diretta responsabilità della persona che installa lo strumento in un luogo ritenuto “pericoloso”...

  • Page 8: Specifications

    Specifications Specifications are subject to change without notice. Sampler/Refrigerator Cabinet Fiberglass reinforced plastic. Cabinet Hardware Stainless Steel. Sample Chamber Fiberglass reinforced plastic, 5–30 gpm capacity with adjustable plastic weir. Inlet—2 in. diameter 80 SCH 80 PVC socket coupling. Pipe Connections Outlet—3 in.

  • Page 9: Section 1 Overview

    Section 1 Overview The Sigma 1600 Automatic Liquid Sampler automatically collects wastewater samples and preserves the samples using refrigeration. The sampler operates on 120 V ac, 60 Hz. The sampler cabinet is constructed entirely of non-corrosive fiberglass reinforced plastic. The refrigerator is equipped with a horsepower compressor with a fan-cooled condenser, front ventilation, silver brazed connections, and adjustable thermostat.

  • Page 10: Timed-Cycle Measurement

    Section 1 Figure 2 Flow Through Chamber 2 in. Inlet Dipper Arm Assembly (Cat. No. 1945) Adjustable Weir (Cat. No. 2341) Front 3 in. Outlet Dipper Arm Shaft Sample Transfer Tube (Cat. No. 1922) 1.1.1 Timed-Cycle Measurement The time-cycle measurement mode controls the sample frequency by using an integral quartz crystal time-based clock and solid state controller.

  • Page 11: Installation

    INSTALLATION DANGER Some of the following manual sections contain information in the form of warnings, cautions and notes that require special attention. Read and follow these instructions carefully to avoid personal injury and damage to the instrument. Only personnel qualified to do so, should conduct the installation/maintenance tasks described in this portion of the manual.
  • Page 12 Visit http: //www.hach.com...

  • Page 13: Locating The Sampler

    Section 2 Installation 2.1 Locating the Sampler Although the sampler may be located outdoors, an indoor location free of Note: The sampler must stand upright at all times. Storage of the humidity and temperature extremes can extend the useful life and operational unit on its side causes damage to reliability of the unit.

  • Page 14: Dipper Arm Assembly

    Section 2 2.3 Dipper Arm Assembly Follow the steps below and refer to Figure 3 for proper dipper arm assembly. 2.3.1 Removing the Dipper Arm 1. Loosen the two set screws located on the bottom of the mounting block. 2. Gently slide the dipper arm assembly off the end of the dipper arm shaft. 2.3.2 Installing the Dipper Arm 1.

  • Page 15: Electrical Connections

    Section 2 Electrical Connections All power and external input signal connections are in two 4-inch DANGER Connect voltages 30 Vrms (60 V junction boxes located on the rear exterior of the sampler. All AC dc) only in the low voltage connections are made in the box labeled “High Voltage”.
  • Page 16 Section 2 Figure 4 Sigma 1600 Automatic Sampler Wiring Page 16 Electrical Connections 6507installation.fm...
  • Page 17 Section 2 Figure 5 Control Panel Wiring Page 17 Electrical Connections 6507installation.fm...

  • Page 18: Ma Input Option

    Section 2 2.5 4–20 mA Input Option The 4–20 mA (1–5 V dc) circuit in the sampler is a basic voltage to frequency converter with a 249 ohm load resistor across the input. Parallel loop wiring or series loop wiring can be used when wiring multiple units (receivers) in a control loop.

  • Page 19: Pump Control Timer Option

    Section 2 Figure 7 Series Loop Wiring 2.6 Pump Control Timer Option The pump control timer option (Cat. No. 1662) allows the pump that supplies the wastewater to the sampler to be turned off during the Interval Between Samples. A sampler equipped with this option will have two potentiometers with screwdriver adjustments located between the 1 amp fuse holder and the power button on the control panel.

  • Page 20: Sequence Operation Of The Pump Control Timer

    Section 2 2.6.1 Sequence Operation of the Pump Control Timer When the Sample Countdown display reaches zero, three things occur simultaneously: 1. The Sample Countdown will reset. 2. The Sample Delay time set on the lower of the two potentiometer will count down.

  • Page 21: Operation

    OPERATION DANGER Handling chemical samples, standards, and reagents can be dangerous. Review the necessary Material Safety Data Sheets and become familiar with all safety procedures before handling any chemicals. DANGER La manipulation des échantillons chimiques, étalons et réactifs peut être dangereuse. Lire les Fiches de Données de Sécurité...
  • Page 22 Visit http: //www.hach.com...

  • Page 23: Section 3 Programming

    Section 3 Programming This section provides information about the sampler control panel, indicators, and programming instructions for composite sampling. 3.1 Front Panel Controls and Indicators All front panel controls and indicators are sealed and moisture resistant. The control panel may have an optional hinged clear plastic cover which allows viewing of the Sample Countdown display and all switch settings.

  • Page 24: Sampler Programming Options

    Section 3 Table 3 Control Panel Features and Descriptions Control Panel Feature Description Starts the sampler. Push the ON button once to turn on the power and twice to turn off the sampler. Power Button (ON) EXT-MIN (external/minutes) Allows the selection of timed-cycle mode or flow proportional mode for samples. Toggle Switch Controls the minutes between sample events during the timed-cycle mode and determines the number of contact closures desired before a sample event in the flow...
  • Page 25 Section 3 3.2.1.1 Composite Sample To complete composite sample programs on a time-cycle basis: 1. Set the EXT-MIN toggle switch to the right, MIN position. 2. Set the Samples Per Bottle/Bottles Per Sample toggle switch to the left, Sample per Bottle position. 3.

  • Page 26: Flow Proportional Mode

    Section 3 Table 7 Number of Sample Events Taken in a 48-hour Period Selector Knob—Black Outer Band Set INTERVAL BETWEEN SAMPLES Thumbwheel Switch 0120 0060 0030 0020 0015 0010 Table 8 Number of Sample Events Taken in a 72-Hour Period Selector Knob—Black Outer Band Set INTERVAL BETWEEN SAMPLES Thumbwheel Switch 0180...
  • Page 27 Section 3 1. Calculate Q, where Q is the average flow rate (during the sampling program) divided by the maximum flow rate. (The maximum flow rate corresponds to the 20 mA output of the flow meter.) 2. Calculate t, where t is defined as a/n; n is the total number of samples collected over a given period of time;...
  • Page 28 Section 3 Example 3: You want to collect 96 samples over a 24-hour period on a 4–20 mA flow proportional basis. Average Flow Rate = 0.52 mgd (average flow rate over the 24-hour period) Maximum Flow Rate = 2 mgd a = 1440 minutes 1.

  • Page 29: Sample Volume X 25 Milliliters

    Section 3 You will notice from the previous five examples that the average and maximum flow rate can be expressed in any units, i.e. mgd, gpm, cfs, etc. However, express the average and maximum flow rate in the same units for any given situation.

  • Page 30: Samples Per Bottle Mode

    Section 3 3.2.5 Samples Per Bottle Mode 1. Place the Samples Per Bottle/Bottles Per Sample toggle switch to the left, Note: The sample volume for each individual sample event is set in the Samples Per Bottle position. same manner as the composite sampling mode.

  • Page 31: Bottle Discrete Sample Kit (Optional)

    Section 3 3.2.8 24 Bottle Discrete Sample Kit (Optional) The 24-bottle Discrete Sample Kit is located in the sample storage compartment. It enables the sampler to collect samples in 24 individual polyethylene bottles that have a capacity of 475 mL. This type of sampling allows you to take a closer look at the wastewater composition on a repetitive time cycle and pinpoints the time interval during which an upset condition occurred.
  • Page 32 Visit http: //www.hach.com...

  • Page 33: Maintenance

    MAINTENANCE DANGER Some of the following manual sections contain information in the form of warnings, cautions and notes that require special attention. Read and follow these instructions carefully to avoid personal injury and damage to the instrument. Only personnel qualified to do so, should conduct the installation/maintenance tasks described in this portion of the manual.
  • Page 34 Visit http: //www.hach.com...

  • Page 35: Routine Cleaning

    Section 4 Maintenance CAUTION: Always disconnect ATTENTION power to the sampler before Débranchez toujours l'alimentation de l'analyseur d'echantillonneur avant de performing any maintenance procéder à un entretien ou une réparation. or service. ¡CUIDADO! Siempre desconecte el tomamuestras antes de realizar cualquier tarea de mantenimiento.
  • Page 36 Visit http: //www.hach.com...
  • Page 37 Appendix A Troubleshooting Problem Possible Cause Solution Blown main fuse. Replace fuse/reset circuit breaker. Sampler control panel and Sampler disconnected from main power refrigerator inoperative. Reconnect. source. Blown front panel fuse. Replace fuse. Sampler control panel inoperative, refrigeration is Control panel harness connector Reconnect.
  • Page 38 Visit http: //www.hach.com...
  • Page 39 Appendix B Final Assembly Figure 10 Final Assembly (1 of 3) Item # Description Cat. No. Item # Description Cat. No. Cover Assembly 2435 Screw 6247200 Gasket Tank Cover 2632 T-lockable Handle 6919 Delivery Tube Seal 1711 Latch 2626 Receptacle Amp 6311 Dipper Enclosure Assy.
  • Page 40 Appendix B Figure 11 Final Assembly (2 of 3) Item # Description Cat. No. Item # Description Cat. No. Contact Closure Harness 2635 Bracket–Tubing Support 1701 Stepper Motor Harness 2636 Cable Tie SE 942 4–20 Harness 2637 Dipper Enclosure Assy. 2361 Wire Hold Down 7289...
  • Page 41 Appendix B Figure 12 Final Assembly (3 of 3) 11–13 6–8 Item # Description Cat. No. Item # Description Cat. No. Weir Plate 2341 Lockwasher SE 508 Weir Plate Guide 1952 Screw SE 315 Screw SE 222 Screw SE 328 Dipper Enclosure Assy.
  • Page 42 Appendix B Figure 13 Motor Drives Assembly Page 42 Final Assembly 6507appendix1.fm...
  • Page 43 Appendix B Table 10 Motor Drives Assembly Parts List and Descriptions Item Number Quantity Description Catalog Number Shoulder Screw 1640 Screw SE 323 CAM–Motor 1948 Drive Rod Bearing 1635 Drive Rod Shaft 1634 Drive Rod Bearing 1635 Reed Switch 1954 Reed Switch Magnet 1955 Transformer...
  • Page 44 Figure 14 Dipper Housing Visit http: //www.hach.com...

  • Page 45: General Information

    GENERAL INFORMATION At Hach Company, customer service is an important part of every product we make. With that in mind, we have compiled the following information for your convenience. Page 45 GENERAL INFORMATION 6507g_infostop.fm...
  • Page 46 Visit http: //www.hach.com...

  • Page 47: Contact Information For U.s.a. And Outside Europe

    Brief description or model number • Quantity Ordering Information for Outside the U.S.A. and Europe Hach Company maintains a worldwide network of dealers and distributors. To locate the representative nearest you, send E-mail to intl@hach.com or visit www.hach.com. Technical Support Technical and Customer Service Department personnel are eager to answer questions about our products and their use.

  • Page 48: Contact Information For Europe

    Fax +49 (0)2 11 52 88-143 info@hach-lange.nl info@hach-lange.de Belgium Great Britain Spain/Portugal Dr. Lange Hach Lange LTD Hach Lange S.L.U. Motstraat 54 Lennox Road c/ Araba, 45. Apdo. 220 B-2800 Mechelen Basingstoke E-20800 Zarauz/Guipùzcoa Tel. +32 (0)15 42 35 00 Hampshire, RG22 4AP Tel.

  • Page 49: Warranty

    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 50 Visit http: //www.hach.com...

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