digital amp meter 1.CE UL SAA approved 2.TOP ten in China 3.We can provide meter ,voltmeter,ammter,power meter.... We ... dimension, instal to the Electric Power Cabinet easily Can measure current, voltage, frequency, power factor, active power and reactive power. The decimal point can ... with CT,the secondary current 5A or 1A is standard.POWER METERWattmeters with built-in converter for 1 phase,3P 3W ...