... can provide meter ,voltmeter,ammter,power We can provide meter ,voltmeter,ammter,power meter,domestic electric meterskwh panel meter.......Shape ... circuits,balanced load 45-65Hz and for 1 phase AC 50Hz.Model:AM-96 AM-72Class: ... POWER METERWattmeters with built-in converter for 1 phase,3P 3W,3P 4W.Model:AM-96 ... in converter for 3P 3W,3P 4Wand single phase.Struction:Moving Coil,Moving Iron and Rectifier. ...