OAKTON® Waterproof pH Testr®

Three-point USA or NIST push-button calibration with buffer recognition.

Up to ±0.01 pH accuracy displayed on large, easy-to-read, dual-display LCD. Keypad clicks to confirm operation. Freeze and auto shut-off functions. Freeze function is useful when measuring in low light or confined spaces. Self-diagnostic messages and a nonvolatile memory. Offers automatic temperature compensation with simultaneous temperature display in °C or °F. User-replaceable double-junction, polymer Electrode.