... manual regulation2) rated capacity 5kVA,10kVA,15kVA,20kVA,30kVA3) current measurement range 5A-1000A,5A-2000A,5A-3150A,5A-5000A ... provides functions of coarse and fine tuning , and the regulation accuracy can meet the requirement of JJG verification regulation .7) Measurement ... can add the function of testing volt-ampere characteristic of current transformer and no-load loss of voltage transformer to ...