The entry level class in the professional measurement technology due to the large lcd and displays the thick bushings assignment makes the model ideal for all professional applications up to 600 v at a keystroke the input resistance can be temporarily reduced from 10 m k to 400 in order to avoid measuring errors due to stray voltages the various preventive measures are rounded off by resetting 400 a ma protection the annoying fuse changes are not applicable in 400 ma range thanks to th