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Green to electronics OP wanted on forst scope purchase /InstekGDS-806S

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radiogeek97:
Hi folks
   I have always been a handy guy and am into commercial 2-way and ham radios I found dave on youtoube and have gotten the electronics bug :)   

I have been slowly outfitting my "lab" and ran across a dso on my local craigslist here is a link to the unit:
http://www.tequipment.net/InstekGDS-806S.html

The unit is Monocrome and is about 3 years old according to the owner, it comes with manual and one probe he bought it new $450ish and was asking 250$  i got him down to $175.00 usd he is about a 3 hour round trip for me but NOT knowing anything about this type of equipment i am not sure to buy or not.

the only other problem is that I have no test equipment to speak of (function gen) to test this thing we will be meeting just off the highway for the purchase I have an inverter to power the unit up with but not much else.
any info on the Brand Good or bad, the price, and if it is a good brand/price How to test it on the fly would be appreciated.
thanks in advance
john

Wuerstchenhund:

--- Quote from: radiogeek97 on March 05, 2013, 12:53:34 pm ---I have been slowly outfitting my "lab" and ran across a dso on my local craigslist here is a link to the unit:
http://www.tequipment.net/InstekGDS-806S.html

The unit is Monocrome and is about 3 years old according to the owner, it comes with manual and one probe he bought it new $450ish and was asking 250$  i got him down to $175.00 usd he is about a 3 hour round trip for me but NOT knowing anything about this type of equipment i am not sure to buy or not.

--- End quote ---

Well, it's 60MHz 100MSa/s only, which isn't great by any standards. It's could be ok for a starter scope but you'll probably hit its limits very quickly, so I'd rather invest a bit more and get a more 'future proof' scope, i.e. a Tektronix TDS 500/600/700. It costs a bit more but in the long run you'll be glad that you didn't waste $175 on something which you very likely will replace soon after anyways.

Hydrawerk:
IMHO this scope Instek GDS-806S can be quite long lasting and durable. We have them at school... But i do not like this scope... Its performance is crap. It was introduced in 2004. It even has no USB port for flash disc. On the contrary, I like the old Agilent /HP scopes of the 54600 or 54620 series. They are even older, but they are pleasant to use.

--- Quote ---125k Long Memory
--- End quote ---
Haha, check this table from user manual below... The memory is not always 125kpoints. :palm: :--
You can buy a GW Instek, but a newer one! This is 9 years old design... But it was obsolete even when it was new in 2004...

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