wholesale alibaba pen type ph meter price

Specification of pen type ph meter price:
1.Measurement Range
PH: 0.0 to 14.0 pH
Temperature: 0 to 100 °C
2.Resolution
PH: 0.1 pH
Temperature: 0.1 °C
3.Accuracy
PH: ± 0.1 pH
Temperature:± 1°C
4.Data Hold: Freeze the display reading
5.PH Calibration: pH 6.8, pH 4.0 or pH 9.1, 3 points calibration ensure the best linearity and accuracy
6.Operating Humidity: Less than 80% RH
7.Power off: Auto power shut off to save battery life