PH Sensor Kit

Tax included

Need to measure precise pH? This kit includes everything you need including buffer solutions, pH probe, and even a board to connect directly to a microcontroller. This is laboratory-grade equipment and not a toy or educational kit.


If you have any questions on this product please feel free to contact us.

*Disclaimer: The images are merely illustrative.


  • Atlas Scientific PH Sensor Kit
  • Features a ph circuit kit
  • Includes electrically isolated EZO™ carrier board
  • Offers full range pH reading from 0.001 to 14.000
  • Provides flexible calibration protocol (single point, 2 point, or 3 point)

The Atlas Scientific PH Sensor Kit is a 6th generation embedded pH circuit. This EZO class pH circuit, offers the highest level of stability and accuracy.

Atlas Scientific PH Sensor Kit- Click to Enlarge

With proper configuration the EZO class pH circuit, can meet, or exceed the accuracy and precision found in most bench top laboratory grade pH meters. The pH-EZO pH circuit, can work with any off-the-shelf pH probe/ sensor/electrode.

The pH Probe can be fully submerged in fresh water or salt water, up to the BNC connector indefinitely.


pH Circuit

Two data protocols

  • UART asynchronous serial connectivity
  • (RX/TX voltage swing 0-VCC)
  • I2C (default I2C address 0x63)
  • Compatible with any microprocessor that supports UART, or I2C protocol
  • Operating voltage: 3.3 to 5 V
  • Works with any off-the-shelf pH probe

Sleep mode power consumption

  • 0.995 mA at 3.3 V

pH Probe

  • pH Range: 0-14 (Na+ error at >12.3 pH)
  • Operating temperature: 1 - 99 °C
  • Max Pressure: 690 kPa (100 PSI)
  • Max Depth 60 m (197 ft)
  • Cable length: 1 m
  • Speed of response: 95% in 1 second
  • Isopotential point: pH 7.00 (0 mV)
  • BNC connector

Typical Applications

  • Standard Lab use
  • Field use
  • Soil
  • Low ionic and ultra-pure water
  • High pH Solutions (up to 14 pH)
  • Samples containing Heavy metals
  • Photography Development
  • Beer, wine and other liquor
  • Food Safe

What's Included

  • 1 x EZO™ pH Circuit
  • 1 x Double junction silver / silver chloride Lab Grade pH Probe
  • 3 x 125 ml (4 oz) calibration solutions (pH 4, pH 7 and pH 10)
  • 1 x 125 ml (4 oz) pH storage solution
  • 1 x Electrically Isolated EZO™ Carrier Board



  • Circuit Board: 13.97 x 20.16 mm (0.55 x 0.79")
  • Carrier Board: 56.2 x 32 mm (2.2 x 1.2") / Weight: 25 grams



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