Analog AC Frequency Meter - 55-65 Hz
Features:
- Window mount
- Easy to read compatible scale plates
- True RMS DC ammeters accurately read inverter modified square wave output (ABYC E-11.11.3.2.3.)
- DC ammeters can be installed on panelboards that are permanently connected to motors or generators (ABYC E-11.11.3.2.)