| Products > Test Equipment |
| Shannon ST42 LCR Tweezer Test and Comparison Thread |
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| tautech:
--- Quote from: Martin72 on June 19, 2024, 08:30:42 pm ---In the meantime, I had taken a look at Shannon's website. But it doesn't say much about the ST42, I would have expected more technical details. The accuracies given there are sufficiently low for C and L, but for R it could sometimes be too much for precision resistors. However, these would be exceptions, before we get too excited. ;) The website was last updated in 2022, the corresponding firmware available there is also 2 years old, there was probably nothing more to improve. Although I ordered the ST42 later than the ET4510, I assume that it will arrive sooner because customs formalities are no longer necessary. --- End quote --- Yet Shannon invites us to join the ST42 discussion on EEVblog where the OP was updated: Last Edit: May 06, 2024, 03:06:27 am by Shannon In this thread Josh updated to fw v1.5.4 early June but it seems there is not a website link to it. :-// Josh, how did you source fw v1.5.4 ? Not that it worries me as the units I have coming will all have this FW installed. |
| KungFuJosh:
--- Quote from: tautech on June 19, 2024, 08:41:16 pm ---In this thread Josh updated to fw v1.5.4 early June but it seems there is not a website link to it. :-// Josh, how did you source fw v1.5.4 ? Not that it worries me as the units I have coming will all have this FW installed. --- End quote --- Using the OTA firmware update tool, it will automatically pull the latest firmware if you don't specify a version. You need to open a command prompt or shell, then do updaterfilename COMport and it will run the update for you. I renamed it to fwu.exe so I did .\fwu.exe com8 for my tweezers. I'm also likely to sell the ST42 to the US market directly, but if/when that happens, I will do a firmware update and quick test on his test board before shipping tweezers out to make sure nothing is defective. |
| Martin72:
It finally arrived today, picked it up earlier. ;) Nice and small, you can't say otherwise. The build quality, however, is rather... "robust". You shouldn't look at it very closely, the opening for the display, for example, looks as if someone has nibbled it out. ;) But as is almost always the case, it's the inner values that count and I'll be testing them out soon. First at home and against LCRs, which are here. "Unfortunately" I'm on vacation now, so a test against calibrated devices will take some time. But that won't stop me from posting the results of the home tests beforehand. 8) I'll fully charge the ST42 for now... Oh yes, there was a note saying that some spare screws/tips were "hidden" in the case, I didn't find any of them. |
| TomKatt:
I just received an email indicating that my order has been delivered to my post office box awaiting pickup on my way home this afternoon :-) I placed my order on 6/17, so shipping to the US was much quicker than I expected. I do not order from Aliexpress very often - didn't really expect any problems but very happy with how smoothly the order went through. Very excited :-+ |
| KungFuJosh:
I received my new test PCB. I'll have the parts order in on Monday, and then I'll run a bunch of tests too. Including the ST42, ST2832, and probably also my Siglent bench DMMs. Maybe also the DE5000. |
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