Digital pH Meter, Checker

Pocket pH testers with replaceable electrodes! Stick style pH testers quickly measure 0 to 14 pH with 0.01 pH resolution and ¦0.2 pH accuracy. Large digit LCD is easy-to-read. Stick style pH testers quickly measure 0 to 14 pH with 0.01 pH resolution and ¦0.2 pH accuracy. Large digit LCD is easy-to-read. Features 2 point manual calibration, and 0 to 50¦C range of use. Checker 1 is supplied with a plastic body combination electrode. Checker 2 is supplied with a full-length, gel-filled combination electrode. Checker 3 is supplied with a full-length gel-filled combination electrode with BNC connector. All testers include two 1.4 V batteries.