Electrode: LE438.

pH Measurement:

Range: -2 to 16.

Resolution: 0.01 / 0.1.

Accuracy: ±0.01.

mV Measurement:

Range: -2,000.000 to 2,000.00.

Accuracy: ±1.

Temperature Measurement:

Range: -5 °C to 105 °C.

Resolution: 0.1 °C.

Accuracy: ±0.3 °C.