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Summary of Contents for Elcometer 138
- Page 1 User Guide Elcometer 138 Conductivity Meter www.elcometer.com...
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Page 2: Table Of Contents
© Elcometer Limited 2019. All rights reserved. No part of this document may be reproduced, transmitted, transcribed, stored (in a retrieval system or otherwise) or translated into any language, in any form or by any means (electronic, mechanical, magnetic, optical, manual or otherwise) without the prior written permission of Elcometer Limited. -
Page 3: Overview
< Note: The Elcometer 138 Conductivity Meter measures aqueous solutions. The meter is NOT designed to measure solids, organic solvents, surfactant, oil, adhesive, alcohol, strong acids (pH: 0 to 2) or strong alkalis (pH: 12 to 14). The life of the sensor will be extremely short if these substances are measured. -
Page 4: The Controls & Display
3 THE CONTROLS & DISPLAY The Elcometer 138 Conductivity Meter is operated using 3 buttons and displays readings and other information on the LCD screen. °C MEAS BATT 0000 µS/cm ELCOMETER 138 CONDUCTIVITY METER OVERVIEW Measurement Cell Place a liquid sample in this cell to measure it with the electrode located on the bottom of the cell. - Page 5 5°C to 40°C (41°F to 105°F). 13 Battery Alarm Icon Illuminates when the batteries are low and need to be replaced. 14 Measurement Units The default setting is µS/cm 15 Measured Value Displays the measured conductivity of the sample www.elcometer.com en-4...
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Page 6: Using The Elcometer 138 Conductivity Meter
4.2 FITTING AND REPLACING THE BATTERIES The Elcometer 138 ConductivityMeter uses dry cell batteries only and is supplied with two CR2032 lithium batteries fitted with an isolation strip. Remove the isolation strip before first use. - Page 7 4 USING THE ELCOMETER 138 CONDUCTIVITY METER (continued) When the battery voltage becomes low, the low battery warning indicator will flash. Replace both batteries immediately. Note: Lithium batteries must be disposed of carefully to avoid environmental contamination. Please consult your local Environmental Authority for information on disposal in your region.
- Page 8 4 USING THE ELCOMETER 138 CONDUCTIVITY METER (continued) Correct procedure for closing meter after removal of the sensor: Ensure that the sensor tongue is outside the meter case. If the tongue is inserted between the case and the connector of the meter, it may damage the connector.
- Page 9 4 USING THE ELCOMETER 138 CONDUCTIVITY METER (continued) 4.5 CALIBRATING THE ELCOMETER 138 When using the sensor for the first time or again after several weeks of disuse, perform the electrode surface treatment procedure, see Section 4.4 on page en-7: Press the ON/OFF button to switch the meter on.
- Page 10 Ambient air may cause the measurement values to fluctuate. To reduce environmental interference, close the protection cover. Read the value displayed when appears. illuminates when measured value is stabilised. Note: If a measurement result is out of the specified measurement range, the displayed measured value flashes. en-9 www.elcometer.com...
- Page 11 Note: If a measurement result is out of the specified measurement range, the displayed measured value flashes. Note: Although this product is waterproof, avoid immersing it completely. If the product is accidentally dropped into water, take it out of the water and remove the moisture from the instrument. www.elcometer.com en-10...
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Page 12: Taking A Reading
The Elcometer 138 Conductivity Meter does not contain any user-serviceable components. In the unlikely event of a fault, the meter should be returned to your local Elcometer supplier or directly to Elcometer Limited - contact details can be found on our website, www.elcometer.com. The warranty will be invalidated if the instrument has been opened. -
Page 13: Technical Specification
85% or less relative humidity (no condensation) Battery Type 2 x CR2032 lithium Approximately 200 hours continuous use Battery Life without backlight Dimensions 164 x 29 x 20mm (6.5 x 1.1 x 0.79") Weight 50g (1.76 oz) - including sensor and batteries www.elcometer.com en-12... -
Page 14: Spares & Accessories
T13830628 Standard 1413μS/cm Calibration Solution: 250ml (8.45fl oz) Bottle T13830629-2 A Material Safety Data Sheet for the Elcometer 138 Standard 1413μS/cm Calibration Solution is available to download via our website: http://www.elcometer.com/images/stories/MSDS/Elcometer_138_1413uScm_Calibration_Solution.pdf 9 LEGAL NOTICES & REGULATORY INFORMATION Declaration of Conformity: This product complies with the requirements of the following EU Directives:... - Page 15 en-14...
- Page 16 TMA-0741 Issue 01 - Text with cover 30645...