ISO9001:2015 quality certified


KWS300 Online Digital Conductivity Sensor



KWS300 Digital Conductivity Sensor

Kacise KWS300 digital conductivity sensor with new generation of four-electrode technology. Wide range of measurement, automatic switching measurement range, built-in temperature sensor, Real-time temperature compensation.  Excellent resistance to pollution, even in harsh environments long-term online monitoring, there will be no polarization. RS485 output, can be networked without controller


l    Digital sensor, RS485 output, support Modbus

l    Wide measuring range, automatic switching measurement range

l    Built-in temperature sensor, real-time temperature compensation

l    Four-electrode / six-electrode technology, no polarization

Technical Specifications


Four-electrode conductivity sensor


Model KWS-301 KWS-302



Measuring Range

1uS/cm~200mS/cm 1uS/cm~100mS/cm



Accuracy 1%
Resolution 1uS/cm
Response time <2 sec
Ip Grade IP68
Maximum operating pressure 6 bar

Temperature Range

Output RS-485, MODBUS protocol

Power Supply

DC 5~12V, <50mA
Temperature Sensor NTC
Electrode material Nickel
Wetted Part Material PEEK
Sensor size Φ 22*146.5 mm Φ 22*140 mm
Cable Length Standard 10m, customizable 5m, 15m and 30m cables
Calibration Method One/Two-point calibration








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