Colour Optical Sensors are used in processes where the colour – measured on the Hazen scale – is of critical importance, such as Distillation control and drinking water.

The AF21 & AF22 are the sensors for these applications.
AF21

The AF21 is a Colour Sensor, used in applications including Distillation control

AF22

The AF22 is a Colour Sensor, used in applications including Distillation control