... 3 alarm output,nalog 4-20mA. Single phase 8 digits Electrical meter(WH) TypeSingle phase electric meterBrandMYPINModeMDW seriesBasic Current0-5A(A) ... energy reading,demical floating display, power down memory function for 100 years.3, Output:3 alarms output settable,analog ... output 4~20mA for any measuring parameters.4, RS485/RS232 communication interface,MODBUS ...