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Economical Waterproof pH and Temperature Pen
Features include a waterproof housing, automatic temperature compensation, three-point calibration, data hold, low battery indicator and automatic shutoff. 0 to 14 pH testing range. Accuracy is ±0.2pH and ±1°F. Built-in electrode is not replaceable. 6"Lx1-1/2"Wx7/8"H. Imported. NOTE: Calibration solution is required and sold separately (Item No. RH7000).
2016 Master Catalog: Page 464