DFRobot Gravity: Analog Electrical Conductivity Sensor / Meter(K=10)

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DFRobot Gravity: analog electrical conductivity sensor/meter(K=10) is particularly used to measure the high electrical conductivity liquid, such as seawater, concentrated brine, etc. The measurement range is up to 100ms/cm. This product is suitable for the water quality application of mariculture, for example, marine fisheries, marine aquariums.


  • 3.0~5.0V wide voltage input,0~3.2V output voltage, which is compatible with 5V and 3.3V mainboard
  • AC excitation source, effectively reduce polarization
  • Gravity connector and BNC connector, plug and play, no welding
  • Software library supports single-point calibration and automatically identifies standard buffer solution, integrates temperature compensation algorithm
  • Uniform size and connector, convenient for the design of mechanical structures


Signal Conversion Board
  • Supply Voltage: 3.0~5.0V
  • Output Voltage: 0~3.2V
  • Probe Connector: BNC
  • Signal Connector: PH2.0-3Pin
  • Measurement Accuracy: ±5% F.S.
  • Board size: 42mm*32mm/1.65in*1.26in

Electrical Conductivity Probe

  • Probe Type: Laboratory Grade
  • Cell Constant: 10±2
  • Support Detection Range: 10~100ms/cm
  • Temperature Range: 0~40°C
  • Probe Life: >0.5 years (Actual life is related to the frequency of use and scene)
  • Cable Length: 100±2cm



  • Electrical Conductivity Probe(K=10, Laboratory Grade)       x1
  • Signal Conversion Board                                                           x1
  • Standard Buffer Solution 12.88ms/cm                                      x4
  • Gravity Analog Sensor Cable                                                     x1
  • Waterproof Gasket                                                                    x2
  • Screw Cap for BNC Connector                                                  x1
  • M3 * 10 nylon pillar                                                                   x4
  • M3 * 5 screws x8

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