Features Revised version featuring a four-digit display, Designed for industrial-level EMC testing operations & superior consistencyspecifications inputinput ac 0, 5 amp ac direct or up to 2000/5 ct selection factory set specifications supply 230V alternating current, ±10% variance, At a frequency of 50Hz 0, 2000 amp ac or 0, 2500 amp dc factory set accuracy Composed of 1% polycarbonate and ABS plastic, It functions well in temperatures between 0°C and 550°C and can tolerate relative humidity levels reaching as high as 95% RH model 30 without condensation a 50 Hz alternating current a ac / 100 a ac / 200 a ac direct available