... 0.1°C· Accuracy: ±0.05 PH· Temperature compensation: automatic temperature compensation, compensation range 0 to 99.9°C,compensation ... display area 54×36(mm), values of PH, ORP, temperature, date andclock can be displayed simutaneously.· PH compound electrode, ... Working condition: Power supply: 220 VAC±10%, 50Hz, Environment temperature: 0 to 50.0°C, RelativeHumidity: =85%· Dimension: Frame ...