Reading electrochemical events in water that is electrically noisy can be a bit tricky. Pumps, heaters, chillers even overhead lights can leak electrical noise into a seemingly closed system. When using a hand held device, such as a pH meter it is automatically immune from electrical noise, this is because its battery powered and does not share a common ground with the rest of your system.

To stop electrical noise you will need to supply your circuitry with isolated power and data lines. The Atlas Scientific PWR-ISO is a simple 8 pin module that will eliminate electrical noise in your sensor application.

  • Sources up to 150ma of fully isolated power
  • Will work with UART or I2C protocols
  • Only 32ma current draw in quiescent mode
  • Dimensions: 21.9mm X 21.1mm X 20.4mm (0.86" X 0.83" X 0.80")
  • Weight - 4.01 grams

Unisolated power and data lines connect on the IN side.
Isolated power and data come out on the OUT side

Power and Data Line Isolation - PWR-ISO

  • Brand: Atlas Scientific
  • Product Code: ATLAS-PWR-ISO
  • Reward Points: 34
  • Availability: 3
  • £39.22

  • Ex Tax: £32.68
  • Price in reward points: 400

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