... meter 1.CE UL SAA approved 2.TOP ten in China 3.We can provide meter ,voltmeter,ammter,power ... can set the parameters by user14mm,7 Segmental , three line four digital LED display.Relative accuracy is 0.2 ... or 1A is standard.POWER METERWattmeters with built-in converter for 1 phase,3P 3W,3P 4W. ... transformeror secondary current 5A CT.wattmeters with built-in converter for 3P 3W,3P 4Wand single phase. ...