1.ISO,CCC,CE approved. 2.More than 10years of production experience. 3.OEM allowed. Analog panel meterAnalogue panel meter(Ammeter/Voltmeter/Frequancy meter/Power meter/COS meter)Digital panel meter(Ammeter/Voltmeter/Frequancy meter/Power meter/COS meter/Energy meter)AC current exceed 5A ,outer follow CTDC current exceed 5A,outer follow shuntAC voltage exceed 500V,outer follow PTDC voltage exceed ...