I'll add my praise to KH customer service.
It may be worth mentioning who helped you, I had the same issue with
the MV106 voltage reference and contacted Joe Inglis at KH.
FWIW, when I was researching the analog CR and MV model EDC/KH
voltage references they all use a similar design, so worse case, any
of the schematics can serve as a guide. I wouldn't be surprised if
the E100 are made similarly.
The are accurate [ >= spec sheet data] and, given their age, are now
even more stable long term; they are decades old and proven to be
very well made. They are designed simply with a lot of derated
components most of which are not unobtanium, so any potential
maintenance is not a major chore. Calibration is all analog pots,
easy to do and very stable once done.
IIRC great voltage reference better than 1uV resolution and <<
30ppm/yr stability.
At 04:27 PM 3/18/2013, John Lofgren wrote:
I had a similar experience with an old K-H function generator. I
just called them up and they e-mailed me a scan of the manual. A
thumbs-up from me, too.
Other test equipment vendors should take note.
-John
-----Original Message-----
From: [email protected] [mailto:[email protected]]
On Behalf Of cfo
Sent: Monday, March 18, 2013 3:21 PM
To: [email protected]
Subject: Re: [volt-nuts] Seek full Manual - EDC DC millivolt calibrator E100C
On Sun, 17 Mar 2013 20:16:29 -0500, J. L. Trantham wrote:
> CFO,
>
> Several months ago, I bought an EDC CR103 DC Current and Voltage
> Standard and ran into the same problem.
>
> I emailed Kron-Hite, asking if the manual was available, if so, how
> much,
> etc. The reply was an emailed .PDF complete manual, schematics and
> everything.
>
> You might try asking them if they still have the manual available, etc.
> Couldn't hurt.
>
> Good luck.
>
> Joe
>
Hi Joe
Thank you for the tip.
I followed your advice , and emailed Kron-Hite service , asking if it
would be possible to get a copy of the service manual.
And i just got a very plesant response from
their Service Department Manager , with the complete E100C service manual
attached. and a best of luck with the restoration project.
Thumbs up Krohn-Hite , and thank you for the excellent service.
CFO - Denmark
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Sincerely,
Marv Gozum
Philadelphia, PA
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