Measure range

PH(0-14PH); ORP(-1900~+1900Mv)

Accuracy

PH: ±0.02PH; OPR: ±1mv

Resolution

PH: 0.01PH; ORP: 1mv

Stability

PH: ≤0.02PH/24h; ORP: ≤3mv/24h

Input impedance

≥1012Ω

Temperature range

0-100C; accuracy: ±0.5C 

Temperature compensation

0-100C (NTC 10K)

Power supply

AC220V±10%, 50Hz

Relay output

One high alarm, one low alarm(3A/250V/AC)

Regular on

Communication function

RS485, with Modbus RTU

Transmission function

4-20ma output; maximum loop750Ω;0.1%FS