Technical index
1. Isolated transmitting 4-20mA output can be set, the maximum loop is 750Ω, 0.1%FS
2. Measurement range: PH(0-14 pH);ORP(-1000-+1000 mV or (-2000-+2000 mV))
3. Precision : ±0.02 pH; ±1mV
4. Resolution ratio: ±0.01 pH; ±1mV
5. Stability : ≤0.02 pH/24H; ≤3 mV/24H
6. Input impedance : ≥10^12
7. Temperature measurement scope: 0-100℃, precision: ±0.5℃, NTC 10K
8. Temperature compensation: 0-100℃ manual/automatic
9. RS485function, compatible with standard MODBUS-RTU communication protocol
10. Power supply: AC220V±10%, 50Hz or DC 24V
11. Alarm relay: AC250V , 3A
