panel Meter,A/AC panel meter 1,Size:96,72,48 available 2,10 years experence in this field 3,ISO9001&CE approved amper ... circuit, but the accuracy class is 2.5Specific analog Volt meter:30V50V75V100V120V150V200V240V450V500V600VFor450-450KY meters can use potential transformer with secondary voltage ... nuts ,absolutely safe ,fast ,robust ,side-by-side. Amper Panel meter