Voltage meter and Ampere meter 1) High accuracy & good performance 2) Zero point adjustable meter 3)Display renage:+/-1999 VoltageMeter and Ampere MeterTOKY DX3 / DX8 series 3 1/2 Digital Panel Meter, Ampere Meter, Ammeterwith following features: 1) Default power supply 220/110V, 12-30VAC/DC should be special ordered;2) High accuracy & good performance;3) Sampling rate: 2.5 times/S;4) Display ...