AMAZON.COM AC Plug In Voltmeter
It has a POT! And it's a DROK! DROK® Flat Plug AC 80-300V Voltage Panel Power Line Volt Test Monitor Gauge Meter AC 110V 220V Digital LCD Voltmeter for RV Boat Camper Household Factory ...
Forum Discussion
Clicky
I've had one connected in my motorhome for several years now. It read about 3 volts low when I first got it, but adjusting the calibration pot took care of that easily enough. The plug is non-polorized, so it can be plugged in either way.
I've had one connected in my motorhome for several years now. It read about 3 volts low when I first got it, but adjusting the calibration pot took care of that easily enough. The plug is non-polorized, so it can be plugged in either way.
