... can provide meter ,voltmeter,ammter,power.... We can provide meter ,voltmeter,ammter,power meter,domestic electric meterskwh panel meter ... instal to the Electric Power Cabinet easilyCan measure current, voltage, frequency, power factor, active power and reactive power.The decimal point can ... CT,the secondary current 5A or 1A is standard.POWER METERWattmeters with built-in converter for 1 phase, ...