Products > Test Equipment

Yet Another "Which Oscilloscope" thread (though slightly different, I promise)

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rsjsouza:
I know the league of the devices considered is a bit higher, but Owon's VDS1022I is a basic USB oscilloscope that is quite capable, galvanically isolated and has software supported outside of the manufacturer. A long thread discussing its features is below (look for the latest developments, as the thread is quite old already).
https://www.eevblog.com/forum/testgear/owon-vds1022i-quick-teardown-(versus-the-hantek-6022be)/

I personally use it in the field where the cheapie portable I have (Zoyi 702S) does not cut it. Being isolated brings peace of mind as well.

Agouti:
Thanks tautech, good to know about the newer desktop scopes that are more protected from ingress - they might be worth thinking about more after all. I don't do much car stuff, and I've yet to need to test-drive anything with a scope hooked up so the 240v reliance shouldn't be a huge deal (there's always those battery-powered inverters too, I guess).

I'll have a look at the Siglent SHS810X (2 channel, 100 MHz, 1GS/s, USD$980/AUD$1400) and see if it can tick all the boxes (except channel count, but that was never mandatory). A bit more than I was wanting to spend but it might be worth it.

You are right too rsjsouza, there's absolutely an argument for a decent 4 channel in the workshop/van and a cheap little 2 channel 20MHz for all the basic gruntwork, and if it gets dropped a long way into something nasty no tears to be shed. Hmm. I had sworn off anymore "disposable"scopes but it'll probably be required at some point if I get a desktop one as the main.

DaneLaw:

--- Quote from: Agouti on February 16, 2024, 03:16:14 pm ---Good to know, looks like the batteries aren't horrendously priced for now, but who knows long term. Can't really blame them for propriety battery package, but would have been convenient if it had a bank of 18650s or something, but then you couldn't cycle batteries easily. I believe the STO1004 can't be powered off USB either, so if the battery did die you would need the power brick.

Having said that, I'm sure if you was still desperate to keep it going you could always 3D print an adapter for a common laptop battery of some sort.

--- End quote ---
What gives you the impression that it can't run on USB? (TypeC)

tautech:

--- Quote from: Agouti on February 16, 2024, 03:54:07 pm ---Thanks tautech, good to know about the newer desktop scopes that are more protected from ingress - they might be worth thinking about more after all. I don't do much car stuff, and I've yet to need to test-drive anything with a scope hooked up so the 240v reliance shouldn't be a huge deal (there's always those battery-powered inverters too, I guess).

I'll have a look at the Siglent SHS810X (2 channel, 100 MHz, 1GS/s, USD$980/AUD$1400) and see if it can tick all the boxes.

--- End quote ---
As Josh pointed out, in the next couple weeks the SDS800X HD models will be released and the 70 MHz 2 and 4ch versions are to be very well priced, have CAN decoding and a bunch of other features and could be convenient in the field with their touch displays.

I'd link a video but it's in the final stages of editing/correction from Defpom down the road from us however it will be publicly available in the next week or 2.
There's a short Siglent vid in the OP in this thread.....but nothing like the 60min monster Defpom has done.
https://www.eevblog.com/forum/testgear/siglent-sds800x-hd-12-bit-dsos-coming/

Agouti:
DaneLaw: Kerry Wong said the USB-C port couldn't be used for charging, no explicit mention of that for the other two USB-A ports but it doesn't seem likely https://youtu.be/VomgQfmjFBg?t=288

The manual also weakly implies that only the brick can be used https://www.micsig.com/uploads/Tablet%20Oscilloscope%20Smart%20Series%20User%20Manual.pdf
Page 3:
"Use adapter correctly. Supply power or charge the equipment by power adapter designated by Micsig, and charge the battery according to the recommended charging"

I'm not seeing any mention in the manual of being able to charge through the USB-C, guess it was too much work to add that in  :-//

tautech: Agreed on waiting for those to come out, especially if there's any chance they could also push the price of the previous generation down a bit. I'm also not adverse to buying second-hand, most of my nice tools came pre-loved, and I would think a new shiny generation would cause help populate the for-sale sections. I don't think I need a 12-bit but a nice high-resolution screen never goes astray.

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