SCS 724 Workstation Monitor is used to monitor the operation of two wrist strap grounding systems and work surfaces. It features visible and audible alarms, adjustable test voltage, and has a North American power adapter. It is NIST calibrated and meets ANSI/ESD S20.20 standards. This product is designed to be used with SCS Dual Conductor Wrist Straps and SCS Work Surfaces Grounding Systems only.