... Meter,Digital Power Meter,Led Power Meter,Lcd Power Meter,Din Rail Power Meterpanel Meter,Current Meter,Factor Meter Modular type panel meter panel meter contain ammeter, voltmeter, frequency meter, power meter, power factor meter. digital meter ... ,it also can be connected directly.The currrent circuits connected with current transformes, which secondary current is 5A or1A .Wattmeters and ...