Products > Test Equipment
DMM Test Lead Resistance
mos6502:
It's a known problem. The eBay search is broken. Sometimes things show up on one domain but not the other, even for items that have worldwide shipping. So it's a good idea to repeat your search on other eBay TLDs.
cs.dk:
With your search-term, it works fine on Ebay.de, .co.uk, .com, etc.. Weird.
I've updated my post above, about 4-wire measurements.
mos6502:
--- Quote from: cs.dk on November 02, 2013, 09:10:27 pm ---Thanks alot.. Don't know why I didn't get it in my search. :-+
EDIT: Ordered this thing now ;D - How do you make 4-wire measurements, i don't get that part?
--- End quote ---
The simplest is to stick your component into the leaf spring terminals. That will do a real 4 wire measurement.
You also get the tweezers and the croc clips. They are 4-wire up to the tips. So the wire resistance and the contact resistance to the meter are eliminated and only the contact resistance between the croc clips/tweezer tips and the component remains.
The connection boxes of the tweezers and the croc clips can be easily opened and you can solder your own leads to them. I posted a link further up to some actual 4 wire tweezers that I plan to replace the croc clips with that will also do a real 4 wire measurement all the way to the DUT.
Generally, 4-wire measurements become important when dealing with low impedances: mOhms, pF, nH.
Check out Dave's teardown, he talks about the connection options:
cs.dk:
Thank you for your reply :) :-+
Seems like a nice meter. I can't find the review though.
mos6502:
Yeah, strangely, Dave never did a review on it. I did find this post, though:
https://www.eevblog.com/forum/blog/when-is-the-10khz-tonghui-vs-10-khz-agilent-lcr-review-coming/msg73261/#msg73261
;)
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