Installation Guide

PH100/PH110-en-GB_v3.1 3/15
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Introduction
Thank you for selecting the Extech Model PH100 and/or the model PH110 (refillable) meter. This
instrument is designed for high accuracy pH testing. This device is shipped fully tested and calibrated
and, with proper use, will provide years of reliable service. Please visit our website (www.extech.com)
to check for the latest version of this User Guide, Product Updates, Product Registration, and
Customer Support.
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