Greenlee PE620 Tone Generator Security and Alarm Continuity Tester

Greenlee PE620 Tone Generator Security and Alarm Continuity Tester identifies security wires, as well as test security loop.  Greenlee PE620 sounds an audible signal to test normally-open or normally-closed security loop.  Security technicians can identify intermittent failures using latching mode.  Greenlee PE620 is a standard tone generator used by all security technicians and installers.