The low-maintenance CLX online residual chlorine monitor from HF scientific is ideal for municipal, chemical or industrial processes that require continuous monitoring and control of residual free or total chlorine levels. It has user-selectable cycle times, 4-20mA and RS-485 with Modbus output that can be used to control feed pumps, and user-selectable alarms that allow complete manual or automatic control of chlorine dosing. It is housed in a strong, shatterproof case with easy access to all service functions and reagents. It allows for unattended operation and low chemical usage. 239/337-2116; www.hfscientific.com.
