Electronics > Beginners

6000 count DMM's (NOT a good $9 newbie meter..) Resolved.

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MacMeter:
The $9.75 (Amazon 2-day free) FLUKE KILLER was delivered today. Tested on my DMMCheck Plus, all readings within spec, many spot on.

However, the small internal fuse was DOA.

From what I can read off the metal cap, it says: 0.5 Amp 250 volt. This fuse has a white body with NO markings on the cylinder.

Would it be safe to use one of my BM235 EEVBLOG DMM fuses, which are:
HV620 400mA 10kA 1000V HRC (6x32mm)

Or would it be best to try and find an exact match?

joeqsmith:

--- Quote from: MacMeter on July 08, 2018, 02:48:11 am ---The $9.75 (Amazon 2-day free) FLUKE KILLER was delivered today. Tested on my DMMCheck Plus, all readings within spec, many spot on.

However, the small internal fuse was DOA.

--- End quote ---

Seeing that it's dead anyway, please remove one of the end caps and see how it's constructed. 

MacMeter:
Ceramic, no sand. Only Manual page that mentions fuses.

Cliff Matthews:
So before you could verify accuracy, you had to replace the 600ma fuse?

Sand or not, at least the quench-gap distance is better than Joe's original Kasuntest.

MacMeter:

--- Quote from: Cliff Matthews on July 08, 2018, 08:10:14 am ---So before you could verify accuracy, you had to replace the 600ma fuse?

Sand or not, at least the quench-gap distance is better than Joe's original Kasuntest.

--- End quote ---

The small fuse was only for the mA current, didn’t seem to effect the voltage or ohm tests. The 10a fuse is good, but the DMMCheck tester only does a 1 mA output. So my question on “safely” using a BM235 fuse instead remains?

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