Ranger Dual Wire Constant Monitors are a Versatile, Dependable, and Accurate Resistance Based Constant Monitor Family for ESD workstations to eliminate time consuming periodic testing.

The Ranger Dual Wire Constant Monitor is the premiere workstation grounding system available. A continuous pulse of an ultra-low voltage signal measures the electrical resistance of up to two wristbands, two work surfaces, and two auxiliary grounds simultaneously and alarms if there is a problem.