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Oscilloscope specs

 
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EagleMark



Joined: 22 Mar 2010
Posts: 424

PostPosted: Sat Dec 25, 2010 8:22 am    Post subject: Oscilloscope specs Reply with quote

I've been looking at osiliscopes, just for troubleshooting EFI system conversions I do. Wondering what specs to look for? Don't need anything fancy just don't want to be checking a wire say near a spark plug wire and burn it up! :doh2:

I've found one that is powered by USB and is very small, pocket size whoch would be handy and portable. It also has a probe to pinpoint the area in question. Last time I played with one was high school a looooong time ago and until now have never seen one other than very large benchtop type...
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Six_Shooter



Joined: 06 May 2007
Posts: 590

PostPosted: Sat Dec 25, 2010 11:37 am    Post subject: Reply with quote

Which one have you found?

I've been eyeing up a PC based one that is from Circuit-test.

http://www.rpelectronics.com/Data/Thumbnails/TH-DSO-3XXX.JPG

It's about $500 from a local brick and mortar store, but I'm sure it can be found cheaper online.

I too want to use mine for same or similar uses. Smile
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EagleMark



Joined: 22 Mar 2010
Posts: 424

PostPosted: Sat Dec 25, 2010 11:48 am    Post subject: Reply with quote

The one I found was on ebay and under $100. but I didn't want to post the URL in case it was against the forum policy...

I guess the point is I don't need super accuracy usually associated with higher price when I am only looking for spikes!
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dfddfd2



Joined: 27 Feb 2008
Posts: 112
Location: Burgaw, NC

PostPosted: Sat Dec 25, 2010 4:03 pm    Post subject: Reply with quote

Actually, you need higher resolution if you're looking for spikes. I highly recommend any of the Fluke portables with at least 50Mhz.

Dave
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EagleMark



Joined: 22 Mar 2010
Posts: 424

PostPosted: Sat Dec 25, 2010 5:32 pm    Post subject: Reply with quote

dfddfd2 wrote:
Actually, you need higher resolution if you're looking for spikes. I highly recommend any of the Fluke portables with at least 50Mhz.

Dave
Yes very nice! But WAAAY out of my budget...
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Six_Shooter



Joined: 06 May 2007
Posts: 590

PostPosted: Sat Dec 25, 2010 6:47 pm    Post subject: Reply with quote

Yeah, I'd love me a Fluke O-scope. My Fluke DMM, was WELL used when I got it about a decade ago, and is still going strong. In fact it's the one I used for work.

I'm in the same boat, the Fluke O-scope pricing is out of my budget, for my own personal use. Until I need something like that for work, I'll look at the cheaper models. Very Happy

Glenn, posting a link for a tool like this is not against any forum rules that I have seen. Smile
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daveinet



Joined: 07 Apr 2008
Posts: 36

PostPosted: Thu Dec 30, 2010 6:37 pm    Post subject: Reply with quote

Never liked the Fluke scopes. They make great meters, but their scope is very lacking. Look at Tektronix for O-scopes.
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Dave
http://www.geocities.com/revconprince/index.html
502 Edelbrock/Howell MPFI Thorleys and Magnaflows - in a 13Klbs motorhome!

"There are 10 types of people in the world, those who understand binary and those who don't"
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dfddfd2



Joined: 27 Feb 2008
Posts: 112
Location: Burgaw, NC

PostPosted: Fri Dec 31, 2010 7:06 am    Post subject: Reply with quote

For a lab scope, a Tektronix is great, but for portability (I use mine in and around the car) and ease of use, the Fluke is the way to go. Plus, they hold their value well.

Dave
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daveinet



Joined: 07 Apr 2008
Posts: 36

PostPosted: Fri Dec 31, 2010 11:22 am    Post subject: Reply with quote

Have you seen this series:
http://www.handheldoscilloscope.net/tektronix-handheld-oscilloscopes/
This is what I use for field service. Several storage modes and programmable presets. Much better than the bulkier units that have all the knobs on them, but don't do much.
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Dave
http://www.geocities.com/revconprince/index.html
502 Edelbrock/Howell MPFI Thorleys and Magnaflows - in a 13Klbs motorhome!

"There are 10 types of people in the world, those who understand binary and those who don't"
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dfddfd2



Joined: 27 Feb 2008
Posts: 112
Location: Burgaw, NC

PostPosted: Fri Dec 31, 2010 12:44 pm    Post subject: Reply with quote

No, I didn't know Tek made hand-helds. Looks like a fine machine.

Thanks,
Dave
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EagleMark



Joined: 22 Mar 2010
Posts: 424

PostPosted: Thu Feb 03, 2011 10:39 am    Post subject: Reply with quote

Been looking at the Pawn shops for awhilke and found this! Since it's for automotive use and the newest model from Mac tools I figure it would serve my needs. At 1/7th the cost of $2800. not a bad deal either...

Ahh no pictures here... anyway Mac ET 3480

http://coloradok5.com/forums/attachment.php?attachmentid=113117&stc=1&d=1296762043
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