The AUT80 checks up to 80 amps without breaking the circuit. Mini, ATC, and Maxi blade connectors plug into the fuse block. It features a measuring range of 80 amps/48 VDC (10 seconds, max) with 0.1 amp resolution and (±2 percent + 2 digits) accuracy. Results are displayed on a 3.5-digit LCD with bargraph.