voltage meter, ampere meter 1) 4 digit display ampere meter, voltage meter 2) 4-20mA current output 3) 0.5% FS Accuracy Digital Voltage meter, Ampere meter, Voltmeter, AmpmeterToky DP3 series 3 ... digit voltage meter, ampere meter with following features:1) Wide display range: +/- 1999, 14.2mm H red LED;2) To measure AC / DC voltage, current ...