Waterproof, low power consumption, replaceable electrode, automatic temperature compensation and automatic switch-off feature after 10 minutes of inactivity to save battery power.

- Measuring Range: 0.10-14.00pH
- Resolution: 0.10pH
- Accuracy: ±0.10 pH
- Operating Temperature: 5-50°C (ATC)
- Calibration: 2 points
- Power Supply: DC 4 x 1.5V (button battery)