EZO™ Dissolved Oxygen Circuit

$ 48.47

Connect a DO probe to your microprocessor that supports UART or I2C. Full range dissolved oxygen readings from 0.01 to +35.99 mg/L with an accuracy down to the hundredths place (+/- 0.2). Made by Atlas Scientific.

9 in stock

SKU: AS.EZO-DO Categories: ,



  • Full range dissolved oxygen readings from 0.01 to +35.99 mg/L
  • Accurate dissolved oxygen readings down to the hundredths place (+/- 0.2)
  • Temperature compensation
  • Salinity compensation
  • Pressure compensation
  • Flexible calibration protocol supports one point or two calibration
  • Calibration required only once per year withan Atlas Scientific™ Dissolved Oxygen probe
  • Single reading or continuous reading modes
  • Data format is ASCII

Two data protocols

  • UART asynchronous serial connectivity (RX/TX voltage swing 0-VCC)
  • I2C (default I2C address 0x61)
  • Compatible with any microprocessor that supports UART,or I2C protocol
  • Operating voltage: 3.3V to 5V
  • Works with any off-the-shelf galvanic HDPE dissolved oxygen probe

Sleep mode power consumption

  • 0.995mA at 3.3V

Circuit Specs

  • Dimensions: 13.97mm X 20.16mm (0.55″ X0.79″)
  • Weight: 1.77 grams

Additional information

Weight 0.01 kg
Dimensions 5 x 2 x 2 cm

Atlas Scientific

Open Source



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