• Monitors one dual wire wrist strap
• Uses resistance based monitoring technology
• Easy to use and economical
• Audible and visual alarm indicators

The extremely sensitive monitor accurately measures the electrical resistance of an ESD wrist band and work surface and signals if the devices fail. Audible and visible alarms are triggered if the operators resistance exceeds 35 meg ohm. The Ranger Series saves time by eliminating the time-consuming testing of wrist straps and coil cords