WP4735 digital AC/DC voltmeter、ammeter with chassis international standard of chassis ,hole size is 92+0.7×44+0.5mm,  056 inches and digital LED display, power supply 220VAC,using a large-scale ASIC, reasonable component configuration, stable product quality, reasonable price performance. This meter can directly measure AC、DC voltage and current, it can measuring AC during 5-2000A with current transformer, it can measure voltage during 500-2000V with voltage transformer, it can measure DC during 2-2000A with shunt.