Products > Test Equipment
East Tester ET4410 ESR Measure
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Martin72:
Page can not be found...
mawyatt:
Try this.

https://www.aliexpress.com/store/1101463729?spm=a2g0o.detail.100005.2.46c23e99r0BJ8E

Best,
Martin72:
Nope, won´t work too, if you attempt to get me directly to something.
But I know what you mean, I´ll look later at Tong Hui offers.
The "twinbrother" ST2830 from sourcetronic here in germany cost about 1200€ incl VAT, a little bit too much.
mawyatt:
Just go to AliExpress a search for TH2830, Beich should show up.

Best,
Martin72:

--- Quote from: Martin72 on August 07, 2022, 12:30:38 am ---Absolutely and this is why I´m doing this thing here.
To find out what´s going on.
The circuit design of the ET4410 is not bad, not simple(actually) and have an advantage against LCRs with chipset like DE5000, it´s "discrete"..
I must have a look in my "store" if there are caps here over 1000µ, otherwise I connect several together.

--- End quote ---

Too busy at work at the moment, but won´t be forgotten....
Also the re-drawing of the circuit of the ET4410 is "paused" for time reasons.
Both, the measure of a "big" cap and circuit drawing, will be continued in a few weeks.
There is still an ambition to find out where the weakness of the ET4410 is.
I got a "belly-feeling" that buying another relative cheap lcr bridge won´t get me further in this case.
So the ET4510 will be my favourite if I decide to buy another one because of it´s "seamless" testfrequencies and outputvoltages.
Rest of the circuit should be the same so I can continue drawing the schematic if time will allow it and as long as I got the 4410.
The sourcetronic/tonghui is clearly more nicebuilding but costs more than double and as mentioned before, chances are high that they won´t get me further what accuracy in higher testfrequencies concerns.
Must look if our sourcetronic still got warranty - if not, I´ll open up it´s case and take pics.. 8)
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