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Hioki IM3570 LCR & Impedance Analyzer

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egonotto:

--- Quote from: zrq on August 23, 2024, 06:38:19 am --- What makes IM3570 more expensive than IM3536? Seems IM3536 can work at higher frequency and have better precision, what did I miss?

--- End quote ---

Hello,

Maybe the ANALYZER mode, which allows sweep of frequency, voltage, constant voltage and constant current.
I can't see anything like that with the IM3536.

Best regards
egonotto

zrq:

--- Quote from: egonotto on August 23, 2024, 08:00:32 am ---
--- Quote from: zrq on August 23, 2024, 06:38:19 am --- What makes IM3570 more expensive than IM3536? Seems IM3536 can work at higher frequency and have better precision, what did I miss?

--- End quote ---

Hello,

Maybe the ANALYZER mode, which allows sweep of frequency, voltage, constant voltage and constant current.
I can't see anything like that with the IM3536.

Best regards
egonotto

--- End quote ---

If it's just the sweep it sounds like too much price to pay for something trivially doable with a script. Does it have a higher frequency resolution?

KungFuJosh:

--- Quote from: zrq on August 23, 2024, 12:31:43 pm ---If it's just the sweep it sounds like too much price to pay for something trivially doable with a script. Does it have a higher frequency resolution?

--- End quote ---

They're different tools. The IM3536 is an LCR. The IM3570 is an Impedance Analyzer & LCR. The IM3570 also has the option for the IM9000 firmware that brings more features with it.

For most people, the IM3536 would be a better value. I bought mine used; I don't have new Hioki money. 😉

@mawyatt already developed a script to make plots: https://www.eevblog.com/forum/testgear/lcr-meter-plot-software/

zrq:
So my question is what is the difference between a LCR bridge and an impedance analyser.
For old/ancient LCR meters (like the GR 1693 I have), they may only have a few selectable test frequencies so no one can claim they are impedance analysers, but I think many modern LCR meters like IM3536 can set arbitrary test frequencies so that's not really a sell point.

KungFuJosh:
I'm new to this tool, so here's some answers from smarter people:



https://www.zhinst.com/americas/en/blogs/lcr-meter-vs-impedance-analyzer

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