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Oscilloscopes ????
omega0684 - 24/3/11 at 05:34 PM

Evening All

I have been thinking for a while about getting an Oscilloscope? Are there any that can be had for under £250 that are adequate for Automotive and electrical testing. Anyone recommend tell me a little more about how they work and what to look for when buying one?

Cheers

Alex


big-vee-twin - 24/3/11 at 05:42 PM

You can get software to put on your laptop which works through a sensor connected to your microphone input.

Freind of mine uses this and says its very good, you can download the software for free apparently


rgrs - 24/3/11 at 05:58 PM

Have a look at http://www.maplin.co.uk/velleman-hps140-handheld-pocket-scope-508678
roger

Edited to add:

I suppose a lot depends on what you want it to do, the scope above has a lot of nice features, might be worth watching the video on maplins site as it will give you an idea of what it's capable of. Also its got an automatic mode, great when your starting off as it adjusts all the settings to give you the correct display.

I do have to say that i don't use mine very often, i have got 2 40Mhz dual trace units, one sits in the garage and the other lives in the boot of my car, if i use them more than 4 times a year i would be suprised. However there are times when nothing else will do.

Buy a good book, seeing the trace is one thing, interpreting it is another.

Roger



[Edited on 24/3/11 by rgrs]


ashg - 24/3/11 at 06:10 PM

mine is just an old 20mhz thing that i got out of a school science department. you only need something realy basic for automotive stuff. if you can, try and get a two channel as then you can compare two different signals. they go on ebay for peanuts.

Hameg 20MHz Oscilloscope - HM203-6 on eBay (end time 26-Mar-11 21:16:12 GMT)

Hameg 100MHz Oscilloscope - HM1005-2 on eBay (end time 26-Mar-11 21:30:16 GMT)

Tektronix TAS 475 Two Channel 200 MHz. Oscilloscope on eBay (end time 27-Mar-11 14:58:53 BST)



for the amount of use it will get its not worth spending loads.

[Edited on 24/3/2011 by ashg]


big-vee-twin - 24/3/11 at 06:53 PM

Here's the software scope link


britishtrident - 24/3/11 at 07:34 PM

See this thread http://www.locostbuilders.co.uk/viewthread.php?tid=150358

If you want something with more bells and whistles look at Picotec have to offer their Picoscope software is the probably best around. http://www.picoauto.com/

I have a Vellman handheld scope (not that particular model) but never use it the menus are are much too confusing for easy occasional use.

Strongly would suggest not using a laptops built in sound car in case it gets zapped.

[Edited on 24/3/11 by britishtrident]


britishtrident - 24/3/11 at 07:48 PM

Better PicoTec link http://www.picotech.com/


Marcus - 24/3/11 at 09:00 PM

I can recommend the Pico stuff, we use it at work and so do most auto electricians. Brilliant as you get Pico Log with the (free) software, great for data logging intermitant faults.