تماشای ویدئو Extech PRT200 Non Contact Phase Sequence Tester از آی-ویدئو

Extech PRT200 Non Contact Phase Sequence Tester Extech PRT200 is a Non-Contact Phase Sequence Tester that tests up to 1000VAC with LED and audible indication. This device accurately determines three phase sequence for motor installation and repair. The non-contact voltage detecting technique permits easy connection to insulated conductors, avoiding uncertain and difficult connections to bare high voltage wires. http://www.tequipment.net/ExtechPRT200.asp