Bluelab Conductivity Pen

Measures conductivity and temperature. Selectable units for conductivity and temperature. Backlit LCD display with low battery warning. Successful calibration indicator and calibration is optional. Fully waterproof. Auto off function and hold reading function. Automatic temperature compensation. Units: EC, 500 ppm, 700ppm, C, F. Range: 0.010.0 EC, 05000 ppm (500 ppm), 07000 ppm (700 ppm) and 050C/32122F. Resolution: 0.1 EC, 10 ppm (500 ppm), 10 ppm (700 ppm) and 1C/1F. Accuracy @ 25C: 0.1 EC (@ 2.77 EC), 50 ppm (500 ppm) (@ 1385 ppm), 70 ppm (700 ppm) (@ 1940 ppm) and 1C / 2F. Battery type: 1 x AAA alkaline.