Measuring Range: 0.04-14.0pH

Accuracy:+-+0.1pH

Battery: 9v battery

Functions:

1. power switch: to power the meter on/off.
2. lock fuction: to lock the readings.
3. Positioning: for one point calibration
4. Slope: for two points calibration.

note:it\'s panel is of Chinese language， and we provide English manual for it.