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HIOKI 3522 LCR Meter teardown

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coromonadalix:
Ill correct my post,  you have many 3522 on Ebay, and one seller link seems to have ton's of them ??  they sell around 1k$$ usd

The lcd seems expensive ?

Is it a good lcr ???

I tried to build an dc biais board for an Fluke 6304 i had,  i had the chance to copy the 6306 dc biais board from an eevblog member, but the same parts used where very difficult to get,  150$ in parts only,  no pcb made :(   

thks

hoangduongo:
Hi,
Imho, the 3522 is a decent meter, especially for me who works with audio most of the time. But also because of that I frequently need to measure chokes/transformer with DC current passing through, which then leads to the demand of the DC bias modules (the 9269 DC current module is preferred for this reason).
I looked up and found your project with the 6304 meter and 9565 module, looks terrific but I'm not sure if they use the same principle with the Hioki.
Thanks

xu59:
朋友们好!
    哪位能告诉我如何进入日置3532-50数字电桥的的校准界面。不胜感谢!

KungFuJosh:

--- Quote from: xu59 on March 26, 2024, 04:19:00 am ---朋友们好!
    哪位能告诉我如何进入日置3532-50数字电桥的的校准界面。不胜感谢!

--- End quote ---

Me too! Has anybody figured out how to get into calibration for the 3532-50 or similar?

Thanks,
Josh

KungFuJosh:

--- Quote from: Michel95200 on December 05, 2018, 08:48:55 am ---Hioki 3532 seems technically closed to the 3531. It uses a reconstruction technique using demodulators/modulators. I cannot see the reference of these parts, in the 3531 classic MC1496D are used. Three DDS are present, one for sine/cosine generator and another one for undersampling clock generation. The sample and hold circuits seems identical (the area with blue through hole capacitors). I have delimited the different functional blocks.

--- End quote ---

Do you still have your 3532? I'm curious what in-circuit resistance readings you get for the group of resistors around R361.

Thanks,
Josh

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