Hello,
Bought mine much the same way. However, keep in mind that these have a lot of relays - on mine, the meter does not work in some particular modes. IMHO, this is caused by a tired relay...sadly, I did not have time to hunt it down yet but will do so in the future.
In general, however, this is a great meter - just make sure that you don't want to measure any extremely large or extremely small caps. For extremely small, there is a company called GLK Instruments - for extremely large, I have no idea.
With best regards
Tam HANNA (emailing on a BlackBerry PRIV)
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Am 27. Februar 2019 08:40:44 MEZ schrieb Tobias Pluess <tobias.pluess@...>:
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Hi Reg,
I don't know much about the 4274/4275/4284/4285 LCR meter, but I would like to mention the 4262A.
It is much more limited than the others (only 4 or 5 different test frequencies, only 3 1/2 digit, , but it is still very precise. These ones can often be found for 100$ or even less, sold as "non working". Most of them appear to have a common error: a shorting bar on the front panel that is a bit corroded and does no longer make a good contact, so it is likely that it is an easy fix. I got mine this way. (The shipment from US to Europe was almost more expensive than the meter.)
There is also the 4263A, which looks more like the 4284A and 4285A, but these are at least ten times more expensive than the 4262A and probably much harder to repair - this is an important point to consider. So if you just want a decent LCR, you can't do anything wrong with the 4262A (this would also fit your habitual parsimony ;-) ). See here
for a teardown.
One additional plus of this meter: it has no fan! (recently I was making some measurements involving a 54832 'scope and 8663 signal generator, 7 fans in total - sounds like a jet engine, one almost needs earmuffs in the lab)
