Display：

 LCD with two colors back light.

Measurement：

 0 to 14 pH, -1000 to 1000 mV

Set Range：

 3.0 to 11.0 pH, -1000 to 1000 mV

Resolution：

 0.01 pH, 1 mV, 0.1℃

Accuracy at 25℃：

 ±(0.1%+2 digits) after calibrating, ±0.5℃

Calibration (Automatic)：

 pH7.00 (CAL.) / pH4.00 / pH10.00 (SLOPE)

Calibration (Manual) pH：

 pH7 (6~8) / pH4 (2.5~5.5) / pH10 (8~12)

ORP：

 ±100mV