Control flow from outside a pipe. Recommended for liquids and pneumatically conveyed solids. Ideal for pump protection or to activate flow/no flow alarms. Sensor mounts on any pipe over 1 inch (25mm) ID without shutting down flow.

Includes one 5 amp DPDT control relay with adjustable time delay, and electronics housed in a watertight, dust tight enclosure. Includes bright LED indicators for relay status and signal strength. Installs in minutes and requires no maintenance. Accurate, repeatable - easy to install and calibrate.