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Relay output: Two SPST relays
Display screen: 3.2 inch LCD screen
Protection grade: IP66
Meter dimension: 144*144*120 mm
PH: -2~16pH
ORP: ±2000mV
Accuracy: PH: ±0.02pH / ORP: ±2mV
Analog Current Output: Two 0/4~20mA current outputs
Power Supply: 18~36 V DC
Communication: RS485 modbus RTU
Differential signal, strong anti-interference ability
