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Summary of Contents for Extech Instruments PH220-C
- Page 1 User Manual of Product 1: Extech PH220-C Waterproof Palm pH Meter with Cabled Electrode...
- Page 2 User Guide Waterproof Palm pH Meter Model PH220 7.00...
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Page 3: Specifications
4.25 x 3.00 x 1.18" (108 x 75 x 30mm) / 4.8 oz. (135g) Accessories supplied with kit Battery, suction cup holder, clip holder, stick electrode for model PH220-S, standard electrode with 39” cable for model PH220-C. PH220-EU-EN V3.2 8/12... -
Page 4: Meter Description
Meter Description Battery Compartment (under holster) Rubber Holster LCD Display Function buttons Electrode input 7.00 Basic Display Description Measurement value Battery status Units of measure Temperature units Solution temperature Note that there are other more specialized displays that appear on the LCD that have not been included in this basic operation display description. -
Page 5: Calibration (Ph)
Calibration (pH) The sensitivity of a pH electrode degrades over time, it is very important to frequently calibrate the meter to the electrode. pH electrodes can be thought of as batteries in that they run down with time and use. Calibration is performed using standard buffer solutions at room temperature (78°F, 25°C). -
Page 6: Automatic Temperature Compensation (Atc)
Measuring pH Electrodes should always be rinsed before and between samples with distilled or DI (de-ionized) water to remove all traces of storage solution, process media, or previous test solution. Connect the pH electrode to the meter. Turn the meter on using the on/off button . -
Page 7: Storing And Recalling Readings
Storing and Recalling Readings This instrument has the ability to store up to 25 measurement readings. At a later time the readings can be recalled and viewed. Readings are saved even after the instrument has been turned off. STORE Readings The steps below cover the STORE process in detail: Take a measurement as described earlier in this manual. -
Page 8: Battery Replacement
Battery Replacement The 9 volt alkaline battery that powers the instrument requires replacing when all battery icon ‘fill bars’ are depleted. To replace the battery follow the steps below: Disconnect the electrode from the instrument. Remove the instrument’s protective jacket by pulling it over the top of the meter (ensure that the electrode is disconnected). -
Page 9: Calibration And Repair Services
Extech recommends that annual calibrations be performed to verify meter performance and accuracy. Copyright © 2012 Extech Instruments Corporation (a FLIR company) All rights reserved including the right of reproduction in whole or in part in any form ISO-9001 Certified www.extech.com...
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