Just picked up an ESI 2400 LCR bridge that's working flawlessly, but the manual
that came with it does not have schematics or calibration info. Anybody know of
a source? I've tried all the usual suspects online.
TIA
Dick Moore
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volt-nu
Hi all -- my bad on the title and question -- I need the dimensions of the PIs
for the 5000 series scopes. Hope someone can help...
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Anyone happen to know the outside dimensions of the main chassis (not including
the card connector) of 5 series PIs? To nearest 1/16th or better if possible….
Thx for any help
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Anyone know if the 7S12 can be used as a conventional sampling plug-in? Does it
trigger off of the input signal from the smapling head?
Best,
Dick Moore
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Hi Mike -- my old 332, since sold, had an ovenized version of the combo
transistor and Zener. Myself, I would use a 399 and put a little box of foam or
cardboard around it. Put a little U-bend in the 399's legs for strain relief.
Dick Moore
On Apr 9, 2013, at 9:00 AM, volt-nuts
David and all -- here is the page for the chopper amp mod:
http://www.friedrich-messtechnik.de/cms/index.php?option=com_content&task=blogsection&id=3&Itemid=3
Dick
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diagram)
--
http://www.friedrich-messtechnik.de/cms/
Best,
Dick Moore
On Dec 14, 2012, at 7:13 PM, volt-nuts-requ...@febo.com wrote:
>
> Message: 8
> Date: Fri, 14 Dec 2012 19:13:01 -0800
> From: WB6BNQ
> To: Discussion of precise voltage measurement
> Subject: Re: [volt-nuts]
Thanks, Bruce. Very helpful; still can't see it, tho'.
Dick
> Message: 2
> Date: Tue, 04 Dec 2012 22:47:56 +1300
> From: Bruce Griffiths
> To: Discussion of precise voltage measurement
> Subject: Re: [volt-nuts] Fluke 332D
> Message-ID: <50bdc6cc.4020...@xtra.co
F manual, Fig 8-1, 3 of
3. The detailed circuit for the chopper is on page 104.
Best,
Dick Moore
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and follow the instructions there.
bright at 5mA -- I think 10mA or more is too
bright -- just want a clear indication in normal room lighting (my lighting is
fluorescent).
Dick Moore
On Nov 16, 2012, at 4:00 AM, volt-nuts-requ...@febo.com wrote:
>
> Message: 2
> Date: Fri, 16 Nov 2012 12:52:09 +0100
> From: Fabio
d resistor values for
current limiting the LEDs. Some are fairly obvious, but I'd like to be able to
confirm values. If anyone has a circuit diagram for the later 343s that have
LEDs, I'd be happy to pay for copying or whatever.
Dick Moore
___
, OPA627 or
some such to improve overall performance
Dick Moore
On Nov 7, 2012, at 4:00 AM, volt-nuts-requ...@febo.com wrote:
> Message: 1
> Date: Tue, 6 Nov 2012 14:10:16 +
> From: John Lofgren
> To: Discussion of precise voltage measurement
> Subject: Re: [volt-nuts]
I picked up a fairly new Fluke 343A and it appears that Q39, MEM556C p-chan.
enhancement-mode MOS-FET is shorted. This part seems to be unobtanium unless
you are named Romney, Gates, or Walton. Any suggestions on a replacement or an
alternative method? This part is the input signal chopper trans
I bought a module from australia a couple of years ago and despite a LOT of
effort, I could not get it to talk to / listen to any of my HP GPIB gear. If
anyone has success with this, please post the details.
Dick Moore
On Oct 16, 2012, at 11:56 AM, volt-nuts-requ...@febo.com wrote
physically fit.
But physical access to the various thermistors is no walk in the park
Dick Moore
On Jun 29, 2012, at 4:33 AM, volt-nuts-requ...@febo.com wrote:
> Message: 1
> Date: Thu, 28 Jun 2012 19:04:06 -0400 (EDT)
> From: lee...@aol.com
> To: volt-nuts@febo.com
> Subj
eir own resistors and the
Dekapot at the heart of the 250DE is just terrific. The range resistors on mine
all checked better than 0.01% measured with my HP 3458A.
A good alternative is the GR 1656 -- but the 1650 and 650, etc are really not
in this class, lacking an accurately readable dial.
Dick Moo
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