pH Meter Initial Tuning

or new sensors or sensors that have been inactive for a long time, KittenBot recommends to go through the Initial Tuning process to ensure accuracy.

This process is only required once, it is not needed to run every time before using.

Download the following program.

Sample Program

A screw potentiometer is present on the adapter, use a small flat head screw driver to turn it.

Remove the protective casing and submerge the module into the PH6.86 solution and wait for a minute.

Turn the potentiometer clockwise if the Micro:Bit shows an Up Arrow.

Turn the potentiometer counter-clockwise if the Micro:Bit shows a Down Arrow.

Slowing turn the potentiometer until a Circle is shown.

pH Initial Tuning Demo Video