1.Certificate: ISO 9001; 2. Accuracy class: 0.02; 3. Wide current range:0.1--100A auto shift range 4. High stability Three phase ... reference standard meter1.Accuracy:0.02,0.052.Adopts ... *60V,3*100V,3*200V,3*400V, current ranges:0.1A,0.25A,0.5A,1.0A,2.5A,5A,10A,20A,40A ...