and both the manual and the box covers often map out the fuses and their purposes. Testing is accomplished by touching the ...

Yes, this fuse is completely useless, and testing the resistance with the fuse out of the circuit confirms this. After putting the meter back together, [electron] tests the accuracy of the meter.

If we learned nothing else from this video, we did learn that you can identify unmarked fuses with a scale ... If true, this would make the meter unlikely to have any way to field calibrate ...