METER ONLY PD 450 WATERPROOF PORTABLE , Each

Details

PD 450 Waterproof Portable Meter Only 3 1/8 x 2 1/2 inch^ PD 450 Waterproof Portable Meter Only, Backlit LCD Display, -2 to 16 PH, /-0.01 PH Accuracy, /-0.5% FS Accuracy, Calibration Up to 6 points, 2x AA batteries(included), 500 hrs battery-life, Dimension: 3 1/8 x 2 1/2 inch