Aplab Digital AC Millivolt Meter Model ACMV32 is a wide range two channel (dual inputs) AC millivoltmeter with dual VFD digital display and RS232 connectivity. It measures AC voltages from 50μV to 300V rms of sine wave signal frequencies between 5Hz to 3MHz. It has a manual / Auto range selection. It also measures voltages in dBV and dBm. It has floating Input. Very useful for wide applications in measurements in R&D labs, College Labs, Navigation, Communications, Private Industries and Scientific Institutions etc.