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


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SKU: 1356250
  1. Brand: DFRobot
  2. Product: Gravity Lab Grade Analog Electrical Conductivity Sensor
  3. Supply Voltage: 3.0~5.0V
  4. Output Voltage: 0~3.2V
  5. Signal Connector: PH2.0-3Pin
  6. Measurement Accuracy: ±5% F.S.


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Brand: DF Robot
Category: Water TDS, pH, Flow, Level and Pressure Sensor

DFRobot Gravity Lab Grade 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. you may also check liquid sensor selection guide to get better familiar with our liquid sensor 
It supports 3~5v wide voltage input and is compatible with 5V and 3.3V main control boards, such as arduino and raspberry pi. The excitation source adopts an AC signal, which effectively reduces the polarization effect, improves the precision, and prolongs the life of the probe; The software library uses a single-point calibration method, and can automatically identify a standard buffer solution, so simple and convenient.

Connection Diagram:

Df Robot Sku1356250

Useful Link:

https://wiki.dfrobot.com/Gravity_Analog Electrical Conductivity Sensor_Meter_K=10_SKU_DFR0300-H



  1. 3.0~5.0V wide voltage input,0~3.2V output voltage, which is compatible with 5V and 3.3V mainboard
  2. AC excitation source effectively reduces polarization
  3. Gravity connector and BNC connector, plug and play, no welding
  4. The software library supports single-point calibration and automatically identifies standard buffer solutions, integrates temperature compensation algorithm
  5. Uniform size and connector, convenient for the design of mechanical structures

Package Includes:

1 x Electrical Conductivity Probe(K=10, Laboratory Grade)

1 x Signal Conversion Board

4 x Standard Buffer Solution 12.88ms/cm

1 x Gravity Analog Sensor Cable

2 x Waterproof Gasket

1 x Screw Cap for BNC Connector

4 x M3 x 10 nylon pillar

Supply Voltage


Output Voltage


Probe Connector


Signal Connector


Measurement Accuracy

±5% F.S.

Probe Type

Laboratory Grade

Cell Constant


Support Detection Range


Temperature Range


Board size

42mm x 32mm/1.65in x 1.26in

Shipping Weight 0.324 kg
Shipping Dimensions 24 × 14 × 7 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China

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