AN-1032 Fluid level controller

The fluid level controller application note is a design using GreenPak2 to control the water level inside a tank using the property of water electrical conductivity. The electrical conductivity (EC) of water estimates the total amount of solids dissolved in water -TDS, which stands for Total Dissolved Solids. TDS is measured in ppm (parts per million) or in mg/l. Distilled water does not contain dissolved salts and, as a result, it does not conduct electricity and has an electrical conductivity of zero.

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