• Continuously checks one wrist strap
• Audible and visual alarms
• Compatible with standard single wire wrist straps
• Easy to use: simply plug in the wrist strap

A single-wire constant monitor for one wrist strap only. The CM400 single wire constant monitor continuously checks the total grounding system, including the operator, the wristband, and the coil cord, and alarms if there are any issues. The monitor is compatible with most single-wire wrist straps and coil cord sets. This is the simplest and most cost-effective way to ensure a wrist strap is continually working. An audible alarm and light will signal a failure.

Since people are one of the greatest sources of static electricity and ESD, proper grounding is paramount. One of the most common ways to ground people is with a wrist strap. Ensuring wrist straps are functional and connected to people and the ground is a continuous task. Using a constant monitor eliminates the need to test wrist straps and coil cords before, during, and after shifts. They constantly monitor the grounding system and will alarm if there are problems. This eliminates failures after a wrist strap passes a test but fails during the work shift.

The CM400 constant monitors are factory calibrated and will never need recalibration. It is a fixed resistor system and is go no go; no calibration is required. You can verify proper working conditions with the CM410PV periodic verification.