[Dsg-ltcc] LTCC Pressures

Amrit Yegneswaran yeg at jlab.org
Fri May 11 13:33:03 EDT 2018


thanks for the info marc 


From: "Marc Mcmullen" <mcmullen at jlab.org> 
To: "dsg-ltcc" <dsg-ltcc at jlab.org>, "Bob Miller" <rmiller at jlab.org>, "Denny Insley" <dinsley at jlab.org> 
Sent: Friday, May 11, 2018 1:27:27 PM 
Subject: [Dsg-ltcc] LTCC Pressures 

Hi Amrit and Bob, 

We shut off gas to the sectors on 5/7. Here are a couple of pressure 
graphs from S2, S5, and S6. The graphed data was taken every 15 seconds, 
but should still give a good idea of pressure drop. The second graph 
represents a 2.5 hour period of time where ambient pressure was flat at 
409 iwc. This is not a very long period of time, and the pressure was 
already falling. But this is you can see the difference in drop rates. 

Thanks, 

-- 
Marc McMullen 
Detector Support Group 
757-269-7738 


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