Features 1、COMPATIBLE CONTROL SYSTEM: 0~2.3V analog signal output, water conductivity sensor is compatible with 5V and 3.3V control systems 2、POLARIZATION PREVENTION: Adopts the excitation source as the AC signal, can effectively prevent the probe from being polarized 3、LONG TERM USE: Waterproof probe can be immersed in water for a long time, with excellent workmanship and long service life 4、SIMPLE OPERATION: This water conductivity sensor is easy to connect, plug and play, no welding required, and is easy to use 5、WIDE APPLICATIONS: The water conductivity sensor can be used for water quality testing in the fields of domestic water, hydroponics, etc. Specification Item Type: Water Conductivity Sensor Material: PCB Output Signal: 0~2.3V Working Current: 3~6mA TDS Measurement Range: 0~1000ppm TDS Measurement Accuracy: ± 10% F.S. (25 C) Module Interface: XH2.54-3P Electrode Interface: XH2.54-2P TDS Probe: Number of Probes: 2 Overall Length: Approx. 60cm / 23.62in Connection Interface: XH2.54-2P Colour: White Package List 1 x Water Conductivity Sensor