Products > Test Equipment
East Tester ET4510 LCR meter
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mawyatt:

--- Quote from: Martin72 on December 13, 2023, 04:46:34 pm ---Hi,

--- Quote ---Were you able to identify the problem area? If so, how was this corrected?
--- End quote ---

These models are available with 10khz, 20khz and 100Khz test frequencies, otherwise they are identical.
I suspect that the frequency has simply been increased without regard to the underlying circuitry.
Because up to 10khz the meter performs very well, at 1khz there is no big difference at all to all other meters I could test.
The supplied cables could also play a role.
The problem is that you don't get any documentation (circuit diagram), and the (hidden) calibration menu is not mentioned anywhere.
This makes things a bit tedious and time-consuming.

--- End quote ---

Maybe the amplifier chains weren't properly designed to handle the higher frequencies, especially at higher current levels required by low Z components? High BW amplifiers with good linearity and drive are expensive, comes with the territory!!

So basically not even a 100KHz capable LCR meter, makes one wonder about the higher frequency versions from ET??

Best,
GnomeZA:
I've had a fair amount of discount applied to an order I created for the ET3502 (200kHz) after chatting to the folks (not yet paid, Ali has this option)
It is the east tester factory store (100% rating), since anyone can use the name, you have no idea if it is ACTUALLY the east tester factory, but the reviews are in various languages and actually look legit (ie. A+++ best ever vs I tested this meter under these conditions and were happy with this, but didn't like that, etc. in well written English (not language shaming just saying)).

Anyway, I'm super tempted to give it a try, the meter looks pretty decent, specs wise.
The enclosure also makes it look better.

mawyatt@'s concerns about their standards however has me worried about it.
That and the fact that you can't find basically a shred of information about this meter anywhere online.

Anyway I'm between that and the Hioki which is a bit more expensive and I am worried about it having any potential issues because shipping that beast back will not be cheap.
Martin72:
I wouldn´t worry so much, ET3502 should be in another class.
ET44/45XX are really cheap in comparison to whats in their specs, in case of the ET44XX we´re talking about a benchtop meter for the price of a handheld.
When the hioki works flawless, of course it would be better than anything mentioned before.
But if something is wrong, you got zero support, no new spare parts, only used and expensive.
KungFuJosh:
I would never pay that much for an ET model. Not even close. You can get the Tonghui (or rebrands of it) for that price.
mawyatt:
Had no idea the ET3502 was that expensive!!!

Agree, you could get the Tonghui TH2832 for less, which goes to 20-200KHz!!


Best,
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