... , etc. Checking AC sample device error. The instrument type are the verification: AC/DC voltmeter, ammeter ... Many kinds of models the device preset portable instrument parameters, reduce the verification personnel the input ... is stable and reliable. Technical DataAC output • A/B/C three-phase voltage range (V) 10, 20, ... 50, 100, 200, 400, 800; • A/B/C three phase current measure range (A) 0.1, ...