... 4-20mA. Single phase 8 digits Electrical meter(WH) TypeSingle phase electric meterBrandMYPINModeMDW seriesBasic Current0 ... ratio setfreely,true effective value measurement,mainly electricity value.can display parameter value of voltage ... TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer ...