... Excellent aftersale service DZ603-12Three-Phase Energy Meter Test BenchMain functions:1- Applied to test all kinds of single and three-phase ... , include: no-load test/ start test/ basis errors test/ voltage influence test meter constant test/ meter reverse turn test/ energy counting test etc.6- The electric ... 1m A, 5m A, 10m A, 25m A, 50m A, 0.1A, 0.5A, 1.0A ,2.5 A,5 A,10 A, 20 A,50 A,100 A,Voltage/ ...