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Blue Lab pH Pen

Blue Lab pH Pen
•Measures pH and temperature. •Selectable units for ˚C & ˚F. •Backlit LCD display. •Double junction probe (not replaceable). •Successful calibration indicator. •Hold reading function and low battery warning. •Fully waterproof with auto off function. •Automatic temperature compensation. •Range: 0.0 - 14.0 pH/0-50 ˚C/32-122 ˚F. •Resolution: 0.1 pH/1 ˚C/1 ˚F. •Accuracy @ 25°C: ±0.1 pH. •Battery type: 1 x AAA alkaline. •Loop handle for easy dipping and hanging. •1 year Bluelab® Guarantee.