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MicroChem-Sal_TDS
MicroCHEM-Sal Transmitter Module
Date:23-Nov-2006
Version: 1.02
Author: AB
TPS Pty Ltd
ABN 30 009 773 371
Phone: (07) 32058027
International: 61 7
Email: sales@tps.com.au
Web:
www.tps.com.au
32058027

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Summary of Contents for TPS MicroChem-Sal

  • Page 1 MicroChem-Sal_TDS MicroCHEM-Sal Transmitter Module Date:23-Nov-2006 Version: 1.02 Author: AB TPS Pty Ltd ABN 30 009 773 371 Phone: (07) 32058027 International: 61 7 32058027 Email: sales@tps.com.au Web: www.tps.com.au...
  • Page 2 The introduction has a diagram and explanation of the display and controls of the microCHEM-Sal. It also contains a full listing of all of the items that you should have received with the unit. Please take the time to read this section, as it explains some of items that are mentioned in subsequent sections.
  • Page 3: Table Of Contents

    Contents 1. Introduction 1.1 Unpacking Information 1.2 Specifications 2. Installation and Set-up 2.1 Connection and Configuration Diagram 2.2 Mounting the Enclosure 2.3 Mounting the Sensors 2.4 Terminal Connections 2.5 Selecting 0 to 1 V DC or 0 to 5 V DC Output 3.
  • Page 4: Introduction

    1. Introduction 1.1 Unpacking Information Before using your new microCHEM-Sal, please check that the following accessories have been included: Part No 1. microCHEM-Sal Transmitter Module 112146 1. Mounting feet, kit of 4, complete with screws NRMICRO 1. microCHEM-Sal Handbook 130050 2.
  • Page 5: Specifications

    1.2 Specifications Ranges k=0.1 Sensor 0 to 10.00 ppM, 0 to 100.0 ppM, 0 to 1000 ppM k=1.0 Sensor 0 to 100.0 ppM, 0 to 1000 ppM, 0 to 10.00 ppK k=10 Sensor 0 to 1000 ppM, 0 to 10.00 ppK, 0 to 100.0 ppK Resolution 1mV (0 –...
  • Page 6: Installation And Set-Up

    2. Installation and Set-up 2.1 Connection and Configuration Diagram The diagram below is provided as a reference for the terminal connections, configuration jumpers and user-adjustable trimmers that are discussed throughout this section.
  • Page 7: Mounting The Enclosure

    2.2 Mounting the Enclosure The microCHEM-Sal can be mounted directly onto a wall or into a separate enclosure using the mounting kit supplied. Please use the screws supplied to ensure that the waterproof integrity of the enclosure is not compromised.
  • Page 8: Terminal Connections

    When setting J1 to open, we recommend that it is fitted to one of the pins. This is a safe place to keep it, in case the microCHEM-Sal needs to be reset for 0 to 1 V DC output in the future.
  • Page 9: Calibration

    3. Calibration 3.1 Calibration Procedure 1. Switch the microCHEM-Sal on. 1. Ensure that the Salinity/TDS sensor is correctly connected (see section 2.4). 2. For the GK-1 sensor (part no 112206), ensure that the white protective cover is fitted with the vent hole towards the cable end of the sensor.
  • Page 10 10. When the reading has stabilised, adjust the SPAN control until the output corresponds to the value shown in the Calibration Data table in section 3.3.
  • Page 11: Calibration Notes

    3.3 Calibration Data The following table details the output for Salinity/TDS standards available from TPS to suit the ranges of the microCHEM-Sal. Other Salinity/TDS standards may be used, in which case you will need to calculate the output of your microCHEM-Sal for the standard being used.
  • Page 12: Troubleshooting

    Jumper is correctly set for 0 to output. 1 V DC or 0 to 5 V DC output, as per requirements. Adjust if necessary (see section 1. Instrument is faulty. Return to TPS for repair. 4.2 Salinity/TDS Troubleshooting Symptom Possible Causes Remedy Zero calibration 1.
  • Page 14 Salinity/TDS Troubleshooting, continued… Standard calibration 1. White protective cover is The white protective cover fails, reading is too not fitted (GK-1 sensor). MUST be fitted for correct high and cannot be readings for GK-1 sensor. adjusted low 1. Standard solution is Replace standard solution.
  • Page 15: Warranty

    TPS Pty. Ltd. has a fine reputation for prompt and efficient service. In just a few days, our factory service engineers and technicians will examine and repair your equipment to your full satisfaction.
  • Page 16 It is your responsibility as the sender to ensure that TPS receives the unit.
  • Page 17 Please check that the following is enclosed with your equipment (our service form is available on our website www.tps.com.au): Your Name and daytime phone number. Your company name, ORDER number, and return street address. A description of the fault. (Please be SPECIFIC.) (Note: "Please Repair"...
  • Page 18: Appendices

    6. Appendices 6.1 Re-setting the Measurement Range The range of the microCHEM-Sal may be re-set using the table of jumper settings shown below. Refer to the diagram in section 2.1 for the location of the A and B range jumper blocks. Attach spare jumpers off single unused pins for safe storage.
  • Page 19: Care, Cleaning And Maintenance Of Salinity/Tds Electrodes

    6.2.1 Care of Salinity/TDS electrodes The Salinity/TDS section of the electrode supplied with your microCHEM-Sal consists of two platinum wires that are plated with a layer of “platinum-black”. This is quite a soft layer and is required for stable, accurate measurements. In time, the platinum-black layer may wear off in some applications, at which time the electrode will require replatinising (see section 6.2.3).
  • Page 20 Replatinising Salinity/TDS Electrodes There are several ways to replatinise Salinity/TDS electrodes. 1. The simplest way is to return the electrode to the TPS factory. We can fully clean the electrode, replatinise it and test all aspects of its performance. 1. An automatic replatiniser is available from TPS, along with replatinising solution.

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