Omega’s new series of free chlorine sensors feature amperometric measurement technology. The sensors are available in several ranges for detecting ppm levels of free chlorine. Sensors can be used in new installations with Omega flow cell or installed as replacement for other 4-20 mA output free chlorine (FCI) sensors. The sensor is designed for use in water treatment disinfection applications and for use with chlorine generators, pools, etc. – omega.com