In a single inverter system, the meter is connected directly to the inverter. If your inverter has a built-in revenue grade meter (RGM; the inverter is referred to a revenue grade inverter), you can connect an external meter on the same bus as the RGM.
DIN 35 mm
●Current
AGF-AE-D/200:200A
●Frequency
60Hz
●Input consumption
less than 0.2VA
●Power Supply(self supply)
AC85~265V or DC100~350V;power consumption ≤10VA