1.Pen pH Meter 2.Size:188*38mm 3.Range:-1200~1200MV 4.Accuracy: 1MV. 5.Battery: 4X1.5V Measurement Range: pH 0 to 14 pHResolution: pH 0.1 pH.Accuracy: pH -/+0.1 p After calibration. pH 4.01, pH 6.86 and pH 9.18, Three Point CalibrationpH Calibration: pH 4.01, pH 6.86 and pH 9.18, Three Point CalibrationTemp. Display: 0.1oCTemp. Accuracy: 1oCWorking Temp. Range: 0 ~ 50oCATC: 0 ~ 100oCDimension: 188 x38 mm * Meter with pH electrode.Weight: 82 g (electrode included).

Model: KPH-1

Display: LCD, size: 20 mm x 27 mm. Consumption

Measurement Range: pH 0 to 14 pH, Temp. 0 to 50 oC ( 32 to 122 oF ).Resolution: pH 0.01 pH. Temp. 0.1oC/ 0.1oF.Accuracy: Accuracy pH+/- 0.02 p After calibration. Temp. +/- 0.8oC/ +/- 1.5oF.pH Calibration: pH 6.86, pH 4.01 or pH 9.18, 3 points calibration.Operating Humidity: Less than 80% RH .Dimension: 88 x38 mm * Meter with pH electrode.Weight: 82 g (electrode included).

PH pen