Ac Ammeter ( analog panel meter , current meter, voltmeter): our company specialized produce this kind meter for 13 years. Ammeter ( analog panel meter , current meter, voltmeter) 1.item: 42L6 panel meter 2.outline size: 120*120MM 3.slotting size: 112*112MM 4.type: AC/DC ammeter , AC/DC voltmeter , Hz meter , Power meter , power factor meter , synchronoscope meter.