Products > Test Equipment
Which tool for testing big capacitors:Atlas ESR70, DE 5000, Sencore lc53 Z-meter
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TimFox:
The posts above point out that the DE-5000 is not good for in-circuit measurements, but no one said the Peak was better for ESR otherwise.
sonpul:
RiRaRi, I think you watched a not very useful video. The principle of operation of the measuring bridge, which is the DE5000, is well shown in another video. Understanding this principle will give you answers to all your questions. Including in-circuit measurements.
https://youtu.be/ivVSq0IiZGo
Gertjan:
I own and use both the Atlas ESR-70 and DER DE-5000.

Both are very good, but made for different use scenarios: ESR-70 is best for repairs. You quickly see capacity and ESR, and you can decide if the capacitor is still fit for its job. The DER DE-5000 is an excellent  RCL analyser, for more in depth analysis, but  measurements take more time. It performs as well as much more expensive RCL analysers, so great value for money.

A not mentioned before advantage of the ESR-70 is that it will discharge a still charged capacitor before starting measuring.
Connect a charged capacitor to a DER-DE-500, and it will say POOOFF... (As with most RCL meters) A costly mistake...

So, while doing a repair, will you remember to discharge a capacitor every time before testing?  :)

Regards, Gertjan.
J-R:
If you truly only need to test large capacitors, then the ESR70 might be OK, but personally I became frustrated with how often it simply wouldn't provide a reading.  Is the capacitor bad, does it need to be removed from the circuit or both?  I hit the 0.3uF lower limit too often.

I also have the LCR45 and the two button interface is very annoying.  Sometimes it won't auto-detect correctly so you have to enter the menu system which I think can drive you mad unless you use it frequently.

So I find I use the DE-5000 almost exclusively.  However, they all come out sometimes to run whatever tests need to be run.

Daily use case might be the deciding factor here...
kripton2035:
I've checked some capacitors like 2200µF with the DE5000, but you have to lower the test frequency to 120 or 100Hz.
otherwise you don't get a reading.


de5000 manual : https://www.ietlabs.com/pdf/Manuals/DE_5000_im.pdf
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