Dual Station Continuous Monitor for 2 Operators And 2 Worksurfaces. Continuously monitors the path-to-ground integrity of two operators and two ESD worksurfaces independently. <1 Second Alarm Response Time. Identifies failures and intermittencies that inferior technologies miss. Adjustable Operator Test Limits and Voltages. Use to meet the testing requirements of ANSI/ESD S20.20 or other standards.