PH‑2989 Online pH / ORP / Temperature Monitor

This instrument has an elegant appearance with a built‑in rechargeable battery, supporting continuous operation after power cut‑off.
Backlit screen simultaneously displays pH, ORP and temperature readings.
Adopts wall‑mounted design for easy installation and operation.
Technical Specifications:
Range
pH: 0.00 ~ 14.00 pH
ORP: -1999 ~ 1999 mV
Temperature: 0 ~ 50 °C
Resolution
pH: 0.01 pH
ORP: 1 mV
Temperature: 0.1 °C
Accuracy
pH: ±0.1 pH
ORP: ±5 mV
Temperature: ±1 °C
Automatic Temperature Compensation: 0 ~ 50 °C
Operating Environment: 0 ~ 50 °C; Humidity: ≤95%
Power Supply: 6V DC (included), with adapter
Dimensions: 130 mm × 70 mm × 31 mm
Weight: 200 g