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

[Bob Bownes]

You know, I have a 1Gig Tek digital (DSA602 with 11A72/11A71,11A34) on my
bench and a 1G Tek analog (7934). The 7934 never gets fired up anymore. I
really should reclaim the space.


On Mon, Apr 16, 2012 at 11:41 AM, Tom Knox <actast at hotmail.com> wrote:

>
> I was speaking several years ago to someone at Tektronix and asked why
> they did not still make an analog scope.
> He told me cost was the reason, simply price; to make a modern version of
> the 7104 or 2467B would cost nearly as much as an Italian sports car.
> I have the Latest 40Gs/s scope and it is fantastic but still have a LeCroy
> LA354 analog (of sorts) scope as a second opinion.
> All that said, as someone who brokers equipment, it is difficult to
> justify as a reseller older scopes less the 500MHz in light of the great
> products coming out of China.
>
> Thomas Knox
>
>
>
> > Date: Mon, 16 Apr 2012 08:19:58 -0700
> > From: garnere at gmail.com
> > To: time-nuts at febo.com
> > Subject: Re: [time-nuts] Chinese Scopes (was: Re: LORAN-C at MIT)
> >
> > I have the latest and greatest from both Tek and Agilent at work,
> > designed and made right here in the states. They suffer from menu-itis
> > just like the chinese stuff does. My Tek DSA 72004 at work is a
> > complete PITA to use unless I have the mouse and keyboard attached. In
> > my opinion, it's just how things are in the modern age.
> >
> >
> > -Eric
> >
> > On Mon, Apr 16, 2012 at 8:03 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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> >
> >
> >
> > --
> > --Eric
> > _________________________________________
> > Eric Garner
> >
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