Working voltage: DC12-24V Power consumption: <1W EC range: optional 0-4400us/cm, 0-44000us/cm TDS range: 0-2000PPM Detection accuracy: ≤±2%F*S (full scale) Signal output: 4-20mA/modbusrtu-485 Load resistance: current output: R load ≤ (Uvcc-3) / 0.02 Ω Working environment: Temperature: 0-100 ° C, humidity: 0-100% RH Storage environment: Temperature: 10-50 °C (-20~80 °C peak), humidity: 20-60% RH Dimensions: 65mm*46mm*28.5mm Electrode material: ABS 5 m platinum black electrode