The ECD FC80 Free Chlorine Analyzer is a panel mounted, ready to use Free Chlorine Analyzer. It is designed to monitor free chlorine (residual chlorine) in drinking water, industrial cooling and rinse water, wastewater or other fresh water samples containing chlorine in the range of 0.05-20 ppm Cl2 (High Range) or 0.01 to 5.00 Cl2 (Low Range). The FC80 Free Chlorine Analyzer features a plug and play design that incorporates a flow control device, a pH sensor, a chlorine sensor and the T80 transmitter are conveniently mounted on a PVC panel. Connect the sample and drain lines, connect the power and outputs and it is ready to use.