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    Hanover, PA 17331

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All Categories > Meters > pH Meters > Oakton pH Meters > Oakton pHTestr Pen Meters  

Oakton pHTestr Pen Meters

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Oakton pHTestr 10

Oakton pHTestr 10


This waterproof, double junction pH pen features a large display for easy testing. The pHTestr 10 features a replaceable double junction electrode, automatic temperature compensation, and pushbutton three-point calibration.
Oakton pHTestr 20

Oakton pHTestr 20


Now you can have high ±0.01 pH accuracy in a waterproof pocket-sized instrument! These instruments also feature a double junction electrode that is ideal for dirty water and solutions with heavy metals or other contaminants. pHTestrs features a waterproof, dustproof housing that protects your instrument from rugged field or plant environments.

Oakton pHTestr 30


Our most popular pH pen has upgraded to a larger LCD display with both pH and temperature values. Accuracy is also increased to ±0.01 pH. The double junction electrodes results in longer life in "dirty" water samples. The meter also features 3 point calibration, automatic temperature compensation (ATC) and is waterproof.