PH-901B Pen pH Testr (BNC+1m cable)

Range: 0.00—14.00 pH,

Resolution: 0.01 pH,

Accuracy: ≤±0.03 pH,

Temp. C: 5—50℃, (ATC) Calibration: Two-point at 6.86pH and 4.01pH (or 7.0pH and 4.01pH)

Battery Life: DC 4x 1.5V

Features: Automatic switch-off function: After 8-10 minutes without pushing buttons, the meter will be switched off automatically.

Low battery：As long as there is any display, the accuracy is guaranteed.