| 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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