Yong-Wah,
If your magnet is that old and had quenched due to a low helium level or
for some other unforeseen reason, like a leak in the cryostat. It is
best to have it leak checked. If this was one of our magnets, I would
replace the o-rings.
Signature
<
http://www.revolutionnmr.com>
/Kevin Geohring
Global Services Manager
2416 Donella Court, Unit B
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Phone: 970-493-6600
Fax: 970-416-8896
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On 7/31/2013 1:19 PM, David Lewis wrote:
>
> FYI
>
> *From:*Alan Olson [mailto:olsoncna_at_earthlink.net]
> *Sent:* Wednesday, July 31, 2013 9:37 AM
> *To:* yong-wah.kim_at_utoledo.edu
> *Cc:* ammrl_at_ammrl.org
> *Subject:* Re: AMMRL: Power supply for Energizing NMR magnet
>
> Yong-Wah, et.al. -
>
> You will need more than a power supply and leads and energization
> stick. It takes considerable expertise to do this right, and one
> definitely shouldn't try it alone the first time, even if the written
> instructions seem clear. It is pretty easy to damage the magnet or
> needlessly lose a lot of LHe. This is going to cost some money, no
> matter how you do it. And I don't even work for MR Resources.
>
> Good luck with it. You might want to post a report afterwards on
> how it went for you, to help someone who might get in the same situation.
>
> - Alan Olson, NIH engineer, retired.
>
> On Jul 26, 2013, at 11:21 AM, yong-wah kim wrote:
>
>
>
> Hi,
>
> Our 27 year old 400 MHz Oxford NMR magnet needs to be re-energized.
> We have the charging leads for the magnet. We would like to know
> where we can borrow or rent a power supply to bring the
> superconducting NMR magnet back up to field.
>
> Thanks
>
> Kim
>
> Yong-Wah Kim, Ph.D.
>
> University of Toledo
>
> NMR facility,
>
> Chemistry - Mail Stop #602,
>
> Toledo, OH 43606-3390
>
>
>
> Bowman-Oddy Labs room 187,
>
> Tel - (419) 530-2563,
>
> fax - (419) 530-4033
>
> yong-wah.kim_at_utoledo.edu <mailto:yong-wah.kim_at_utoledo.edu>
>
Received on Wed Jul 31 2013 - 09:45:22 MST