Isolated ISE Probe Interface
Isolated ISE Probe Interface
Isolated ISE Probe Interface
Isolated ISE Probe Interface

Isolated ISE Probe Interface

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Use any Ion Specific Electrode, pH, ORP, or mV Probe

  • Measure pH with temperature compensation
  • Measure ORP and Eh
  • Raw mV
  • Temperature in Celsius/Fahrenheit
  • Library can be easily extended for any probe
  • Electrically Isolated

What it is

An I2C sensor that can read a pH probe. Attach a waterproof temperature sensor for temperature compensation with the attached connector. The firmware on the device provides two calibration options, single or dual point.

The board uses the Qwiic Connect System, an easy-to-use, polarized, push-to-fit connector. No more mistaken connections or soldering header pins. Adafruit calls these connectors STEMMA QT.

All boards have a conformal coating to help protect against moisture, corrosion, and short circuits.

Electrical Isolation

When different probes are connected to the same controlling device, they can cause interference. The environment also causes interference due to ground-loops or other electrical noise like pumps. Electrically isolating the probe can help to prevent these problems.

Using it

There is plenty of documentation on the specification, setup, and use of the sensor.

The Arduino IDE, PlatformIO, and library is in their respective library managers. Any Arduino compatible board will work.

A python library is available for the Raspberry Pi.

Arduino C++

Raspberry Pi Python

Buying it

Don't forget to add a Qwiic wire to your order. There are 3 types of wires to choose from; Qwiic to Qwiic used to connect a Qwiic board to another Qwiic board, Qwiic to male headers, and Qwiic to female headers.

It also comes with a dust cap, hex nut, washer and rubber seal for the BNC connector.

Knowing the temperature isn’t really required for an accurate measurement, but it’s useful to know and you can easily connect a waterproof temperature probe to the board.