EZO™ Conductivity Circuit

$ 62.47

Connect any off-the-shelve two-conductor conductivity probe to your microprocessor that supports UART or I2C and measure conductivity and total dissolved solids. Made by Atlas Scientific.

38 in stock

SKU: AS.EZO-EC Categories: ,



  • Conductivity
  • Total dissolved solids
  • Practical salinity units
  • Specific gravity of sea water
  • E.C. readings +/- 2 μS/cm
  • Full E.C. range from 0.07 μS/cm to 500,000+ μS/cm
  • Temperature dependent or temperature independent readings
  • Flexible calibration protocol supports single point or dual point calibration
  • Calibrate to any E.C. value
  • Data format is ASCII

Two data protocols

  • UART asynchronous serial connectivity (RX/TX voltage swing 0-VCC)
  • I2C (default I2C address 0x64)
  • Operating voltage: 3.3V to 5V
  • Works with any off-the-shelf two conductor conductivity probe
  • Works with any K value from K 0.1 to K 10

Sleep mode power consumption

  • 0.4mA at 3.3V

Circuit Specs

  • Dimensions: 13.97mm X 20.16mm (0.55″ X0.79″)
  • Weight: 1.80 grams

Additional information

Weight 0.01 kg
Dimensions 5 x 2 x 2 cm

Atlas Scientific

Open Source


1 review for EZO™ Conductivity Circuit

  1. Radhia Ben Mansour

    Is any other conductivity probe compatible with EC-EZO ?

    • Patrick

      Hi Radhia,

      Yes, the EZO EC circuit is compatible with any off-the-shelf two conductor conductivity probe. It works with any K value from K 0.1 to K 10.


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