[Dsg-rich] Fwd: URGENT: RICH alarm

Tyler Lemon tlemon at jlab.org
Tue Sep 18 10:51:03 EDT 2018


Hello Bob and Denny, 

Is there any work being done on the forward carriage nitrogen supply line? 

RICH lost N2 flow and the aerogel needs to stay constantly purged by N2 to stay dry. 

Tyler 


From: "Mirazita Marco" <Marco.Mirazita at lnf.infn.it> 
To: rich at jlab.org, "dsg-rich" <dsg-rich at jlab.org> 
Sent: Tuesday, September 18, 2018 10:39:21 AM 
Subject: [Dsg-rich] URGENT: RICH alarm 

Hi all, 
it seems that few minutes ago the N2 flow dropped to 0. 
Can someone please check what is going on? 
Thank you 
Marco 

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