Oakton pH Testr 20 (pocket sized)

This extremely portable instrument is essential for obtaining accurate pH measurements in the field. the housing is waterproof and dustproof to protect the electronics inside. Automatically compensates for temperature. Contains a self diagnostic feature. The easy-read display yields results in an instant. Waterproof, floating housing. Three-point push-button calibration with buffer recognition, non-volatile EEPROM memory, hold function and auto-off function. Pocket sized for portability. Resolution: 0.1 pH Accuracy: +/- 0.01 pH Range: -1.0 to 15.0