Feature●Double junction electrode with 1 meter cable●Range 2 to 16 pH - Resolution 0.01 pH - Automatic Calibration●Temperature Range -5 to 70C Resolution 0.1C●Easier & Faster To Calibrate●Longer 9V Battery LifeDescription Milwaukee MW102 a microprocessor based pH / Temperature meter with an extended range (-2.00 to 16.00 pH). It features Automatic Temperature Compensation, automatic calibration in 2 points and ±0.02 pH accuracy.