... material Features:Model: SFT-80Features:Measuring the alternative current with frequency ranging from 15Hz to 100Hz, these ... and base.Changeable scale: Under the same secondary current and the identical scale class range, scale- ... 1A,0.5A,1A,5A,10A,25A...to 80A ,100AAC direct connectionClass 1.5SFT-670DC AmmeterFrom 50uA ... (Kw or kvar)Voltage:110V,220V380V.440V current:1A or 5AFor 1P 1W,3P3W,3P4WClass 1 ...