Lascar dpm 970 3 5 digit true rms voltage current panel meter with backlight lascar dpm 970 a 3 5 digit lcd panel meter that will measure true rms voltage and current calibration of the meter is achieved via two multi turn potentiometers that adjust offset and scale led backlighting makes viewing easy in low light conditions the module is housed in a robust carrier that can be bolted in place or panel mounted using the bezel provided lascar dpm 970 3 5 digit lcd voltmeter