Products > Test Equipment

Best handheld dmm, at any price?

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Elasia:
I made a new thread for LCR meters, thought it was interesting enough to split off this and keep this one to all purpose dmms

mikeselectricstuff:
A DMM is adequate for the three most common reasons most people need to measure  capacitance :
To identify unmarked caps
To check that electrolytics haven't dried out
To find which end of a cable a break is nearest ( some DMMs don't go low enough  to do this - ideally needs 1pf resolution)
 

bd139:
Only time I use capacitance on my DMM is when I've run out of MLCC 100nF caps and I want to make sure the ones I nicked off an old HP scope motherboard I have in the cupboard are actually 100nF ones. And that's only because I'm too impatient to wait for RS to arrive next day.  :-DD

Everything else I built a test rig with a colpitts oscillator and a 1% mica cap and plug it into a counter. That's as good as a high end LCR meter and does inductance and capacitance down to 0.1pF and 0.1uH

edit: design: http://www.qsl.net/wm5z/cq199301b.pdf

Looks like shit but it works:

Synthtech:
Measuring capacitance with a multimeter is like measuring DC with an oscilloscope.

bd139:
To be fair I do that all the time. It's basically an analogue multimeter that draws a line instead of having a needle. 5/10% is close enough most of the time.

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