[time-nuts] Chinese Scopes (was: Re: LORAN-C at MIT)

[Scott McGrath]

Sent from my iPhone

On Apr 16, 2012, at 11:03 AM, "J. Forster" <jfor at quikus.com> wrote:

> I often smile secretly at those who tout the latest asian stuff. It may be
> small, light, and look like a 'puter, but it doesn't compare for bench use
> to a Tek 7000 series similar vintage portables.
> 
> Going through layer after layer of ever more obtuse menus is just not
> 'user friendly' to me. Maybe it is to the designers, because they are used
> to a 10,000+ character alphabet?
> 
> -John
> 
> ========
> 
> 
> 
> 
>> On Mon, Apr 16, 2012 at 09:46:27AM +0200, Attila Kinali wrote:
>> 
>>>> Sadly, the last scope I bought was a Chinese Rigol. (I do have "real"
>>>> scopes too.) It is getting to the point where Rigol and Instek will
>>> make
>>>> buying boat anchors a thing of the past.
>>> 
>>> What's the quality of those chinese scopes?
>> 
>> I never had the opportunity to use good old Tek, HP or Fluke instruments,
>> because I never had access to them, so when I begun to buy instruments for
>> myself, I was completely unbiased and I looked to the price and spec
>> sheets
>> more than the maker.
>> 
>> To start, I wanted to replace my very very old (but very good) analog
>> multimeter, so I bought an handheld Metex digital multimer. I choose what
>> was
>> then their top item with thermocouple and PC connectivity.
>> I had soon to give it away for free to a friend (who needed a wire
>> continuity
>> beeper) and I bought a Fluke 177. It costed me even more, it has not PC
>> connectivity and thermocouple, but the Metex was completely unuseable
>> while the
>> Fluke is very good.
>> 
>> Then it was the time for a scope, a function generator and a lab power
>> supply.
>> I bought all the three from Instek. The scope was the GDS-820S and as soon
>> as I
>> had the opportunity, I sold it and bought an Agilent DSO3062A. This
>> Agilent too
>> is very entry-level, the plastic case cracks easily, in general the
>> quality is
>> not near the level the other Agilent instruments I late bought (like the
>> 34401A) but the Instek was unuseable while the Agilent is ok.
>> (I still own the function generator and the power supply: being not
>> precision
>> items they are useable... but for precision I bought an used Wavetek
>> generator)
>> 
>> To sum it up, my experience is that good instruments are unvaluable, for
>> work
>> as well for hobby.... (for hobby it's even more important, because it's
>> supposed
>> you should enjoy doing it!)
>> 
>> Best regards,
>> Andrea Baldoni
>> 
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> 
> 
> 
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