Item Type: Water Conductivity Sensor_x005F_x000D_Material: PCB_x005F_x000D_Wide Voltage Operation: 3.3~5.5V_x005F_x000D_Input Voltage: 3.3~5.5V_x005F_x000D_Output Signal: 0~2.3V_x005F_x000D_Working Current: 3~6mA_x005F_x000D_TDS Measurement Range: 0~1000ppm_x005F_x000D_TDS Measurement Accuracy: 10% F.S. (25 C)_x005F_x000D_Module Interface: XH2.54-3P_x005F_x000D_Electrode Interface: XH2.54-2P_x005F_x000D_TDS Probe: _x005F_x000D_Number of Probes: 2_x005F_x000D_Overall Length: Approx. 60cm / 23.62in_x005F_x000D_Connection Interface: XH2.54-2P_x005F_x000D_Colour: White 1COMPATIBLE CONTROL SYSTEM: 0~2.3V analog signal output, water conductivity sensor is compatible with 5V and 3.3V control systems 2POLARIZATION PREVENTION: Adopts the excitation source as the AC signal, can effectively prevent the probe from being polarized 3LONG TERM USE: Waterproof probe can be immersed in water for a long time, with excellent workmanship and long service life 4SIMPLE OPERATION: This water conductivity sensor is easy to connect, plug and play, no welding required, and is easy to use 5WIDE APPLICATIONS: The water conductivity sensor can be used for water quality testing in the fields of domestic water, hydroponics, etc.