The OHM Metrics™ CM400 Series single wire constant monitors are the most cost effective method of continuously testing the connection to ground of a person, wrist band, and coil cord to ensure ESD protection

Compatible with any standard single wire wrist strap
Easy to use: Simply plug in the wrist strap
Easy to install: Attach the monitor to the bench with included hardware, and plug it in

Constant monitors eliminate the need to test wrist straps and reduce ESD damage from broken wrist straps that go unnoticed. The systems are compatible with most single wire wrist straps.