[Esr-users] Fw: CTLis 107240 ESR Cold box DP / Vacuum issue

[Joe Wilson]

________________________________
From: Joe Wilson
Sent: Tuesday, August 2, 2022 3:16 PM
To: Shawn Frierson <frierson at jlab.org>
Cc: Sasa Radovic <radovic at jlab.org>; Ritendra Bhattacharya <ritendra at jlab.org>
Subject: CTLis 107240 ESR Cold box DP / Vacuum issue


Shawn,

On 3Aug22, we (Cryo) need to investigate a potential problem with the diffusion pump (DP) that maintains the insulating vacuum for ESR Cold Box. The risk is not zero to ESR operations. We have no choice but to investigate before further degradation in ESR DP performance.



Thanks!



-----------------

Joe D. Wilson, Jr.


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mailman.jlab.org/pipermail/esr-users/attachments/20220802/201ef18c/attachment.html>