Patent ID: 7394343

Claim:
A handheld device for testing a blade fuse, comprising a handle having a clamp formed on one end thereof, the handle comprising two probes extended out from the handle, and an indication unit exposed outside of the handle for indicating whether the tested fuse is damaged; wherein one side of the handle comprises a first lamp, which is disposed parallel to the probes for illuminating the fuse to be tested; another side of the handle comprises a second lamp, which is disposed parallel to the parallel to the clamp for illuminating the fuse to be pulled out; a linear sliding groove is formed on the handle; a plurality of wider notches formed on the sliding groove; and an adjustment knob is formed on the handle, the adjustment knob can linearly slide in the linear sliding groove to move one of the probes together therewith and can be temporarily locked in each of the wider notches and thereby allowing the adjustment of separation between the two probes.