Test two core、three core AC/DC power wire/earphone wire、video wire, test two core、four core、six core、 double heads video wire.
wire sensitivity≥10PF
test voltage:DC500V
insulation impedance: 2、5、20、50、100、200MΩ
test time: 0~180S
qualified has warning tone and pilot lamp
unqualified has acousto-optic alarm