Monitors and Testers are designed to check on the level of static electricity or test devices that monitor the level of static electricity. The types are AC adapter, calibration unit, charge analyzer, equipment monitor, ESD sensor, footwear tester, footwear/wrist strap tester, ground integrity meter, ground integrity/wrist strap tester, static event detector, static indicator, static meter/discharger, surface resistivity meter, tester, verification unit, workstation monitor/tester, and wrist strap/tester.