Re: [AMMRL] Ice noticed on Nitrogen equilibration exhaust line.

From: Spin-Doc <bert.heise_at_spin-doc.net>
Date: Thu, 8 May 2025 09:15:51 +0800
Hi,

This may be an indication that one (or more) of the other nitrogen exhausts is blocked with
ice from air moisture. You should remove all heat sinks and check for uneven or
stopped nitrogen exhaust. If you find a blocked exhaust a good way to get rid of
it is by blowing nitrogen gas into the exhaust using a thin tube, for example the
helium dipstick. This should melt the ice which ejects as droplets of water - much
better than using force to push the ice block into the nitrogen dewar.

Best regardsĀ 
Bert

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Spin-Doc
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Dr. rer. nat. Bert Heise
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Mail: bert.heise_at_spin-doc.net
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Received on Wed May 07 2025 - 18:31:30 MST

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