Extech Instruments PH100 User Manual

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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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Extech Instruments PH100 Specifications

Operating Environment

operating temperature range	32 to 122°F (0 to 50°C)
operating humidity	< 80% RH
temperature range	23 to 194°F (-5 to 90°C)

Temperature Specifications

temperature compensation	Automatic from 32 to 194°F (0 to 90°C)
temperature resolution	0.1° up to 99.9 then 1° thereafter
temperature accuracy	± 1°C/1.8°F [from -5 to 50°C (23 to 122°F)]

Power

battery type	Four (4) CR2032 button batteries
low battery indication	‘BAT’ appears on the LCD
auto power off	After 10 minutes of inactivity

Weight and Dimensions

dimensions	1.4x6.8x1.6” (35.6x172.7x40.6mm)
weight	3.85oz (110g)
measurement storage	15 tagged (numbered) readings