George
You definitely know the fan is on .....
It is definitely noiser than a tek 7904 , 496 or a 2200 series...
not what I would call objectional per se but far from silent. I think HP in general likes to move more air than Tek. Of my two 54111D's one is slightly more noisy than the other. I also have a big rack mount HP 6.5 digit precision DVM ( I forget the number) which makes more noise than the 54111D by 2x sounds like a jet engine winding up.
Will get that 54111D CD out to you right away...
Dave
On Thu, 04 Sep 2003 13:45:21 -0400
xaos <xaos@...> wrote:
Hello Dave,
How about this for a coincidence:
I just purchased the 54111D manual on CD from you at eBay.
I figured I'd look the manuals over before I made a decision.
Thanks for your input. I was looking into the Tek 11403
which also has a color display but is is much slower.
The Tek suffers from the same problem as the 54111D, namely
that it cannot be serviced since the schematics were never published.
Question: I have a 8660C Signal generator which sounds like
a steam train when I power it up. How is the noise level
of the 54111D? I see that it has two big fans in the back.
73, George H, N2FGX
nr1dx@... wrote:
Other things to consider in owning either of theses scopes
I have a love-hate relationship with my (2) 54111D's
On the love side...
1)They are very easy to use, the menus are well thought
out and largely intuitive. a very felxible scope
2) The large color screen is a joy to use
3) They do lots of cool stuff
4) for what you get they are very cheap on Ebay even at
$500+
On the hate side....
1) THEY ARE HEAVY...About 50lbs
2) THEY ARE BIG .. 19" wide...24" deep
3) They are for the most part not repairable at the
componenet level even if the service manual covered that
which it doesn't. Spare boards and input amps are next to
impossible to come by.
Dave H
On Thu, 04 Sep 2003 14:21:20 -0000
"tbfowler100" <tfowler@...> wrote:
54111D: 500MHz, 2 Ch, 2GS/s max, 8K record length, Color
CRT, Auto
measurments, IEEE-488 interface. Out of production '94,
out of
support '99.
54112D: 100MHz, 4 ch., 400MS/s digitizing rate, 9" color
CRT Auto
measurment, GPIB interface. Out of production '93, out
of
support '99.
For more detailed info on these and many test
instruments, go to
www.testmart.com and search on the model number (e.g. hp
54111D).
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