Chlorination systems is commonly used as an effective technique for disinfecting and sanitizing potable water and treatment systems.

Measurements of dissolved chlorine (as well as ozone, chlorine dioxide or monochloramine)

are an essential part of high purity treatment processes to assure adequate treatment levels.

Two different technologies, Amperometric & Process photometers, are available for monitoring free chlorine, ozone, chlorine dioxide or monochloramine.

The choice of the technology depends on water treatment methods.