... Ammeter ): the popular ammter , voltmeter , hz meter , power meter etc. DC Ammeter ( Panel Ammeter , Pointer Ammeter ) 1.item: 99T1 / SQ48 panel ... size: 48*48MM 3.slotting size: 44*44MM 4.types: AC/DC ammeter , AC/DC voltmeter , Hz meter , power meter , power factor meter ... 5.using : the DC ammeter should match with the shunt outside or with the ...