• Measure range: pH: 0-14 pH, ±0.02pH; 
• ORP: -1000 ~1000mV, ±1mV
• Input Resistance: ≥10~12Ω
• Temperature compensation : Manual/ Auto temperature compensation
• Signal output : 4-20mA, maximum loop 750Ω, 0.2%FS
• Communication : RS485 Modbus-RTU
• Relay output : 250V, 3A
• Power supply:  220V±10%，50Hz/60Hz

Features

• Range: 0.01 electrode: 0.02~20.00us/cm
• 0.1 electrode: 0.2~200.0us/cm
• 1.0 electrode: 2~2000us/cm
• 10.0 electrode: 0.02~20ms/cm
• Output signal: 4 ~ 20 mA; Relay; RS485
• Power supply: AC220V±10%, 50Hz/60Hz
• Operating temperature: 0~60°C
• Accuracy : ± 2 % PE
• Measuring medium: Liquid
• Relay output: 250 VAC, 3A

• Range: 0-20 mg/L, 0-200%, 0-400 hPa
• Resolution: 0.01 mg/L, 0.1%, 1 hPa
• Output signal: 4 ~ 20 mA; Relay; RS485
• Power supply: AC220V±10%; 50Hz/60Hz
• Communication protocol: MODBUS-RTU standard (customizable)
• Operating temperature: 0~60 °C