...for proper connection and resistivity value in less than 3 seconds. With speed, ease and clarity, colored LED show test results. No computer is necessary for pass / fail testing so you don’t pay for features you don’t need! This economical tester can be also be purchased with a heavy duty stand. Other Benefits: • Tests wrist strap and heel grounders individually and simultaneously • No switch flipping or foot changing • Automatic calibration • Measures from 100 kilohms to 100 megohms, with an option to 1000 megohms • Conforms to US EOS-20/20 standard and European standards • Adjustable resistivity limits • NIST certificate included • AC or DC powered • LED, low battery and buzzer displays Can be used on a stand or mounted on the wall. For additional information, please call Customer Care.