Pen pH Meter
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Pen pH Meter
Model : PH-107
Measuring Range : pH:0.01-14.00
Accuracy : ±0.1 pH (at20°C) ±0.2 pH
Resolution : 0.1pH
Calibration : 1 point
Power : 1.5Vx3 battery
Pen pH Meter
Model : PH-220
Range : pH:0.01-14.00, °C: 0-50°C
Accuracy : pH: ±0.01pH, °C: ±0.1°C
Resolution : pH: 0.01pH, °C: 0.1 °C
Calibration : 3 point
Power : 1.5Vx4 battery