The pH Checker gives you fast, accurate pH measurements on a digital display, all for the price of a roll of litmus paper. The 8mm diameter electrode is small enough to fit inside of a test tube, and can be replaced when it is exhausted. Can be calibrated to one or two points for maximum accuracy.
Includes replaceable electrode.- Range: 0 to 14 pH
- Resolution: 0.01 pH
- Accuracy: ±0.2 pH
- Power: Two 1.4V LR44 type Batteries.
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