Designed with amperometric sensing technology, the new Signet 4630 Free-Chlorine Analyzer System incorporates a clear flow cell, flow regulator, sensors, filter and rotameter all in one compact unit. The fully integrated system provides a turnkey solution for accurately measuring free chlorine. Typical uses include primary/secondary disinfection, water distribution, dechlorination, algae growth prevention, slime (biofilm) control and taste and odor control.