Products > Test Equipment

Is the price right?

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Miti:
Thanks for your replies!
This very nice colleague of mine says “BTW, I have another 34401a in the trunk if you want to check the display and swap it if it is better”. And it is much better, basically perfect.  However, this second one was calibrated in 2001, the first one in 2012. That’s why I swapped the front panels. Now I’m thinking, should I buy the second one?  :-//
About the scope RTC chip. Does it store anything important? Some say that it contains the MAC address some say only some hours of operation. Should I bother de soldering it and reading it or should I just dremmel it on the board?

Cheers,
Miti

robert.rozee:
sounds like you got a good buy   :-+

for photos etc of replacing the VFD on a 34401A, see here:
https://www.eevblog.com/forum/repair/34401a-vfd-swap-some-useful-photos-and-notes/msg3349770

i found the job of replacing the VFD relatively easy. but the photo you show (in Reply #3) of your VFD looks a little 'odd' to me, almost as if there is perhaps soot on the inside of the perspex filter rather than a failing VFD. could this be from some blown tantalum caps? in particular look at the "ERROR" annunciator, part is lit brightly while part is dim. can others please comment? my own experiences are with a sample size of exactly one.


cheers,
rob   :-)

Smokey:
Did you get both 34401As?  If you don't want one of them, I may be able to help you "rehome" it :)

thm_w:
Buy both of the 34401A's and sell that 3478A.
I wouldn't swap the displays over, unless the readings are massively off.

Miti:

--- Quote from: Smokey on February 15, 2023, 07:19:04 pm ---Did you get both 34401As?  If you don't want one of them, I may be able to help you "rehome" it :)

--- End quote ---
I still have both but I haven’t decided what to do. I’ll test the second one this weekend and see how accurate it is.

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