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Generic Oscilloscope?

  • tmcquinn
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06 Apr 2019 10:41 #28467 by tmcquinn
Generic Oscilloscope? was created by tmcquinn
Let's just say my tool budget is being heavily scrutinized right now. I forgot that I had a cheap oscilloscope that we used on my older son's senior project. Can I get any use out of this for auto troubleshooting or will have I have to buy so many doodads to make it work that I'll wish I just spent the $$ for the stuff you guys use? This is basically free for me.


"I'll never know it all but I'm willing to settle for knowing where to find the answer!"

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  • Tyler
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06 Apr 2019 21:10 #28483 by Tyler
Replied by Tyler on topic Generic Oscilloscope?
Sorry, your attachment didn't work out. :( What brand and model of scope is it?

If you're looking for an affordable scope, there's definitely options. Andy has a fantastic thread going that covers this very subject:

www.scannerdanner.com/forum/diagnostic-t...-budget.html?start=0

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07 Apr 2019 06:13 - 07 Apr 2019 06:14 #28484 by tmcquinn
Replied by tmcquinn on topic Generic Oscilloscope?
I am so sorry, my man. It shows just fine on my Windows 10 machine and I see zilch on my Chromebook. I thought it worked.

It's a Velleman HPS140i. I nearly forgot I had it. If I just need to view a waveform it might be sufficient. If the automotive scopes are injecting sine waves, square waves, whatever, and looking at the result, then I probably need to save my pennies. I'll try to do some homework on it. I'll start with the thread you recommend.

HPS140i

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Last edit: 07 Apr 2019 06:14 by tmcquinn.

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07 Apr 2019 09:46 #28487 by Tyler
Replied by Tyler on topic Generic Oscilloscope?
No worries, thanks for the link! :cheer:

I see no reason you couldn't get some use out of it with automotive testing? You won't get the detail out of it that a bigger scope would provide, but that's OK. The only real issue I have is the lack of a trigger, which'll make viewing faster signals tough.

But hey, it's free! :silly: I see a BNC input, which means test leads are plentiful. AESWave makes some fantastic shielded leads in varying lengths and colors.

www.aeswave.com/ST3-Shielded-Test-Leads-p9129.html

Since we're trying to be budget conscious, we can throw in a single flexible backprobe and an alligator clip set .
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07 Apr 2019 17:33 - 07 Apr 2019 17:53 #28498 by Andy.MacFadyen
Replied by Andy.MacFadyen on topic Generic Oscilloscope?
I used an earlier version Velleman HP handheld scope for a while it was quite useful but be sure and use an attenuator on it if you use on ignitions or injectors ---- I zapped mine.

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Last edit: 07 Apr 2019 17:53 by Andy.MacFadyen.
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