by
Rosemount Analytical Inc
The Rosemount Analytical Model 450 Free Residual Chlorine Sensor, used with the Model 1054B Free Residual Chlorine Analyzer and the Model 1181 free residual chlorine transmitter, measures the free residual chlorine level in a wide variety of applications, such as Potable water treatment, sewage plant effluent, cooling tower chlorination control, ...