The Sure Test Pro pH Pen has a replaceable pH probe (#716396) and a larger display than other Sure Test pH pens. Reads both pH and temperature (F or C) with automatic temperature compensation (ATC) for more reliable pH measurements....
The Sure Test Pro pH Pen has a replaceable pH probe (#716396) and a larger display than other Sure Test pH pens. Reads both pH and temperature (F or C) with automatic temperature compensation (ATC) for more reliable pH measurements. Features a pH resolution of 0.01 and an impressive pH accuracy of +/- 0.05. 20 min auto power down. Single touch, adjustable calibration up to 3 points. Waterproof housing (IP65 rated). Pen comes with 4x LR44 batteries.
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