Fnirsi LCR-P1, $30 LCR tester (August 2024)

[mawyatt]

WRT to the IM3570 measurements from Josh, we've including a plot of a frequency sweep

A great point, as always. The cap I was using is an electrolytic. Here's what that looks like across the range. You can see where there's a small section of overlap.

Can the IM3570 show Z and R in Log/Decade format vs. Log/Decade Frequency?

This should show Z and R in more detail around the resonate frequency area.

Best,

[KungFuJosh]

Can the IM3570 show Z and R in Log/Decade format vs. Log/Decade Frequency?

This should show Z and R in more detail around the resonate frequency area.

I was already screwing around with zooming in using a shorter frequency range. I tried messing with setting Y to log instead of X (and with both set to log). Let me know what you think, or if I should set something specific.

I made some firmware feature update suggestions including being able to capture any screen. I hope they actual do some of the changes I suggested.

Thanks,
Josh

[TheDefpom]

FNIRSI sent me one of these to review, I recorded the video yesterday which resulted in 12GB of footage to edit, I intend to do that this weekend and expect to release the review next week.

[mawyatt]

@ Josh,

We should probably take this over to the IM3570 thread, try a much wider sweep sat 100 to 1MHz Log Scale and post on the IM3570 thread.

Best,

[indman]

Attached are the 100kHz and 118kHz screenshots, note that they were taken at different room temperatures, hence the change.
At 1kHz the ST42 makes sense and Z/ESR agree, but at 10kHz Z makes sense, and ESR is too low.

Hmm.. I have no serious complaints about the ST42 in terms of ESR measurements; based on your photos, there are more questions about the Hioki results. In order not to clutter this topic with unnecessary information, I moved my answer to your topic here
https://www.eevblog.com/forum/testgear/hioki-im3570-lcr-impedance-analyzer/50/