TPS MC-83 Handbook

TPS MC-83 Handbook

Humidity & temperature meter

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Congratulations !
You have purchased the latest in Handheld Relative Humidity and
Temperature instrumentation. We trust that your new MC-83 Relative
Humidity-Temperature meter will give you many years of reliable service.
The MC-83 is a breeze to operate. This manual has been designed to
help you get started, and also contains some handy tips. If at any stage
you require assistance, please contact either your local TPS
representative or the TPS factory in Brisbane.
The manual is divided into the following sections:
1.
Table of Contents
Each major section of the handbook is clearly listed. Sub-sections have
also been included to enable you to find the information you need at a
glance.
2.
Introduction
The introduction has a diagram and explanation of the display and
controls of the MC-83. It also contains a full listing of all of the items that
you should have received with your MC-83. Please take the time to read
this section, as it explains some of items that are mentioned in
subsequent sections.
3.
Main Section
The main section of the handbook provides full details of the MC-83,
including operating modes, troubleshooting, specifications, and warranty
terms.
MC-83 Humidity
& Temperature Meter
Version
: 2.01
Date
: 09/04/2003
Author
: MS

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Summary of Contents for TPS MC-83

  • Page 1 The introduction has a diagram and explanation of the display and controls of the MC-83. It also contains a full listing of all of the items that you should have received with your MC-83. Please take the time to read this section, as it explains some of items that are mentioned in subsequent sections.
  • Page 2 Page 2 TPS Pty Ltd ABN 30 009 773 371 4 Jamberoo Street Springwood, Brisbane, Australia, 4127 Phone : (07) 32 900 400 International : 61 7 32 900 400 : (07) 3808 4871 International : 61 7 3808 4871 Email : tps@tps.com.au...
  • Page 3: Table Of Contents

    Page 3 Contents Introduction..................4 MC-83 Display and Controls ............4 Unpacking Information ..............6 Specifications ................6 Relative Humidity and Temperature Measurement ......7 Freezing the Reading on the Display ..........7 Data Record and Recall Functions...........8 Battery Replacement................9 Display Mode Indicators ..............9 Humidity Calibration ................10 Calibration Procedure ..............11...
  • Page 4: Introduction

    Page 4 1. Introduction 1.1 MC-83 Display and Controls...
  • Page 5 Temperature simultaneously. Indicators show the current mode. On / Off Switch ( Press to switch the MC-83 on. Press a second time to switch the unit back off. Alternatively, the MC-83 will switch itself off if no button has been pressed for 10 minutes.
  • Page 6: Unpacking Information

    Page 6 1.2 Unpacking Information Before using your new MC-83, please check that the following accessories have been included: Part No 1. MC-83 Relative Humidity-Temperature Meter......126106 2. Hard Plastic Carry Case ............MC83CASE 3. 9V Battery..................130026 4. MC-83 Handbook................130050 Options that may have been ordered with your MC-83: 1.
  • Page 7: Relative Humidity And Temperature Measurement

    2. Press the green Power switch ( ) to switch the MC-83 on. 3. The Relative Humidity reading is the larger reading in the top half of the display. Note the “% RH” indicator on the display.
  • Page 8: Data Record And Recall Functions

    Relative Humidity and Temperature data. This function operates as follows… 1. Press the “RECORD“ button. Note the “REC” indicator on the display whilst the MC-83 is in data record mode. The unit is now recording Maximum, Minimum and Average Relative Humidity and Temperature values.
  • Page 9: Battery Replacement

    When this occurs the battery must be replaced as soon as possible, otherwise readings will become inaccurate. 2. Remove the battery cover screw on the rear of the MC-83 and slide out the battery cover. 3. Remove the battery and replace it with a new 9V battery. Alkaline batteries are preferred.
  • Page 10: Humidity Calibration

    The MC-83 is supplied pre-calibrated. Re-calibration will be required periodically (approx annually), depending on application, environment etc. 75% and 12% Relative humidity standards are available from TPS. Table 1 shows the Relative Humidity characteristics of these two standards. When making up your own standards…...
  • Page 11: Calibration Procedure

    Page 11 7.1 Calibration Procedure 1. Fit the sensor head into a bottle of 12% humidity standard (part no 130091). The sensor head must be above the level of the standard, as per the diagram below. DO NOT IMMERSE THE SENSOR. Leave for 3 hours to allow the Relative Humidity in the bottle to stabilise.
  • Page 12 Page 12 3. Remove the battery cover screw on the rear of the MC-83 and slide the battery cover away. Adjust VR3 (see diagram below) until the display shows the appropriate Relative Humidity value for the current temperature, as detailed in Table 1.
  • Page 13 Page 13 5. Switch the meter on. Wait for the displayed Relative Humidity reading to stabilise (up to 3 minutes). Note the reading obtained, and record it as “A”. Make the following calculation to obtain value “B” B = A x (Z – Y) / (A – Y) Where…...
  • Page 14: Troubleshooting

    Page 14 Table 1 – Relative Humidity Vs Temperature of Standard Solutions Temp Lithium Sodium Chloride Chloride LiCl (Y) NaCl (Z) 11.2 75.5 11.3 75.7 11.3 75.7 11.3 75.6 11.3 75.5 11.3 75.3 11.3 75.1 11.3 74.9 11.2 74.7 11.2 74.5 11.1 74.4...
  • Page 15: Warranty

    A guarantee card is packed with the instrument or sensor. This card must be completed at the time of purchase and the registration section returned to TPS Pty. Ltd. within 7 days. No claims will be recognised without the original guarantee card or other proof of purchase. This warranty becomes invalid if modifications or repairs are attempted by unauthorised persons, or the serial number is missing.
  • Page 16 Page 16 To obtain this service, please follow this procedure Return the instrument AND ALL SENSORS to TPS freight pre-paid and insured in its original packing or suitable equivalent. INSIST on a proof of delivery receipt from the carrier for your protection in the case of shipping claims for transit loss or damage.

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