"Michael Black"

I didn't think analog multimeters had fuses.


** Some did, to protect the current ranges.

But, one time one DMM was reading odd, and I ended up opening it up,
expecting the contacts on the switch to need cleaning. NO. It turned out
eh fuse was bad, it didn't open but had a higher than normal resistance. I
can't remember what was "high", but it wasn't a large amount, just way
more than it should have been.

** A 0.5amp fuse is often used in the ohms and 200mA ranges of many DMMs.

Some 0.5amp fuses have 2 to 5 ohms of resistance while others have only 0.3
ohms.

Depends on the fuse wire being copper or tin alloy.


..... Phil