[time-nuts] HP-53132A Faded and flickering display

Azelio Boriani azelio.boriani at screen.it
Fri Nov 2 20:21:42 UTC 2012


Unless it is a bad tantalum capacitor, as suggested: in this case yes, it
has to be fixed.

On Fri, Nov 2, 2012 at 5:43 PM, Edgardo Molina <xe1xus at amsat.org> wrote:

> Dear Azelio,
>
> Thank you. You are right regarding the GPIB operation but since I was
> looking for a high resolution frequency counter as well for a versatile
> basic instrument to start measuring with, I choose this frequency counter.
>
> Hunting for a better unit right now will not be a priority as the budget
> is tight and I can always have one for Christmas without being audited by
> my significant other ; )  Still, it would be very nice to go down to 25ps
> for sure!
>
> Thank you for your feedback. Have a great day.
>
> Regards,
>
>
>
> Edgardo Molina
> Dirección IPTEL
>
> www.iptel.net.mx
>
> T : 55 55 55202444
> M : 04455 20501854
>
> Piensa en Bits SA de CV
>
>
>
> Información anexa:
>
>
>
>
> CONFIDENCIALIDAD DE INFORMACION
>
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> divulgar su en forma parcial o total su contenido. Gracias.
>
>
> NON-DISCLOSURE OF INFORMATION
>
> This email is strictly confidential and may also be privileged. If you are
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>
>
>
>
> On Nov 2, 2012, at 10:34 AM, Azelio Boriani <azelio.boriani at screen.it>
> wrote:
>
> > You will be using the counter much on the GPIB than looking to the
> display,
> > so try to keep the unit untouched. Better to use it and think about
> another
> > one, now that you have one, you are not in a hurry so you can select a
> > better one. You can also hunt for an SR620 or a Wavecrest... 25pS (or
> less)
> > instead of 150pS is better. Isn't it?
> >
> > On Fri, Nov 2, 2012 at 5:24 PM, Edgardo Molina <xe1xus at amsat.org> wrote:
> >
> >> Dear Group,
> >>
> >> Good morning! I just got my first HP-53132A frequency counter and
> Prologix
> >> GPIB-USB converter. Now I can do some measurements and I am excited
> about
> >> it.  Everything looks promising. Condition of the instrument on the
> outside
> >> is like new, controls responsive and no fading in lettering at the
> buttons.
> >> Connectors are not worn or damaged, original connectors. The unit has
> been
> >> tested and works OK, probably not with adequate calibration but that is
> not
> >> an issue now, I can always calibrate it later.
> >>
> >> What worries me is the display. Even though being an Agilent built unit,
> >> it has probably more hours on it than a seldom used HP built unit. The
> >> flourescent display is fading, not all the digits show consistent
> >> illumination levels. The left-most digits show some flickering at some
> of
> >> their segments. It is readable in the end, but I am terribly
> disappointed
> >> about it.
> >>
> >> Does anybody know if there is a cure for this? Or should I start saving
> >> for a better unit.
> >>
> >> I am not afraid of the screwdriver or the soldering iron if someones
> >> suggests a display overhaul. Thank you!
> >>
> >>
> >> Regards,
> >>
> >>
> >>
> >> Edgardo Molina
> >> Dirección IPTEL
> >>
> >> www.iptel.net.mx
> >>
> >> T : 55 55 55202444
> >> M : 04455 20501854
> >>
> >> Piensa en Bits SA de CV
> >>
> >>
> >>
> >> Información anexa:
> >>
> >>
> >>
> >>
> >> CONFIDENCIALIDAD DE INFORMACION
> >>
> >> Este mensaje tiene carácter confidencial. Si usted no es el destinarario
> >> de este mensaje, le suplicamos se lo notifique al remitente mediante un
> >> correo electrónico y que borre el presente mensaje y sus anexos de su
> >> computadora sin retener una copia de los mismos. Queda estrictamente
> >> prohibido copiar este mensaje o hacer usode el para cualquier propósito
> o
> >> divulgar su en forma parcial o total su contenido. Gracias.
> >>
> >>
> >> NON-DISCLOSURE OF INFORMATION
> >>
> >> This email is strictly confidential and may also be privileged. If you
> are
> >> not the intended recipient please immediately advise the sender by
> replying
> >> to this e-mail and then deleting the message and its attachments from
> your
> >> computer without keeping a copy. It is strictly forbidden to copy it or
> use
> >> it for any purpose or disclose its contents to any third party. Thank
> you.
> >>
> >>
> >>
> >>
> >>
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