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IoT Digital Conductivity Sensor
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Shanghai BOQU Instrument Co., Ltd
Shanghai, China
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BH-485 series of online conductivity electrodes, in the interior of the electrodes, achieve automatic temperature compensation, digital signal conversion, and other functions. With rapid response, low maintenance cost, real-time online measurement characters, etc. The electrode using standard Modbus RTU (485) communication protocol, 24V DC power supply, and four-wire mode can very conveniently access sensor networks.

Model No BH-485-DD
Protocol Modbus RTU RS485
Power Supply DC12V-24V
Features Strong anti-interference, High accuracy
Model BH-485-DD
Parameter measurement conductivity, temperature
Measure range Conductivity: 0-2000us/cm,0-200us/cm, 0-20us/cm Temperature: (0~50.0)℃
Housing material Stainless Steel
Accuracy Conductivity: ±1% Temperature: ±0.5℃
Overall size 230mm×30mm
Reaction time <60S
Resolution Conductivity: 1us/cm Temperature: 0.1℃
Power supply 12~24V DC
Power dissipation 1W
Communication mode RS485(Modbus RTU)
Cable length 5 meters, can be ODM depend on user’s requirements
Installation Sinking type, pipeline, circulation type etc.

  • Wastewater
  • River water
  • Drinking water
  • Hydroponic

1) Can work stably for a long time
2) Built-in temperature sensor, real-time temperature compensation
3) RS485 signal output, strong anti-interference ability, an output range of up to 500m
4) Using the standard Modbus RTU (485) communication protocol
5) The operation is simple, the electrode parameters can be achieved by remote settings, remote calibration of the electrode
6) 24V DC power supply.

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