[Dsg-rich] Humidity monitoring

[Pablo Campero]

Hello Amrit, 

Nitrogen flow was stable since yesterday 12/25/17, flow has not dropped today (~12.77 slm). Good news is that all humidity values dropped a little bit (~0.2 %), see attached screenshot. 

Best Regards, 
Pablo 

From: "Amrit Yegneswaran" <yeg at jlab.org> 
To: "Pablo Campero" <campero at jlab.org> 
Cc: dsg-rich at jlab.org 
Sent: Tuesday, December 26, 2017 8:56:18 AM 
Subject: Re: [Dsg-rich] Humidity monitoring 

hi pablo, 
thanks for monitoring the RICH. 
trust you had a good xmas. 
as you see the the flow rate has dropped a little, but we are still on track. 

xmas puzzle. 
we have 4 dewars in parallel. 
each dewar is essentially full. 
each has its pressure limited to 35 psig. 
exit pressure is 15 psig 
so why is the flowrate dropping for every 4% /day reduction of liquid N2? 
amrit 



From: "Pablo Campero" <campero at jlab.org> 
To: dsg-rich at jlab.org 
Sent: Monday, December 25, 2017 10:33:36 PM 
Subject: Re: [Dsg-rich] Humidity monitoring 

Hello, 

Please attached find screenshot of humidity sensors. 
humidity stable. 


Best Regards, 
Pablo 


From: "Pablo Campero" <campero at jlab.org> 
To: dsg-rich at jlab.org 
Sent: Sunday, December 24, 2017 6:23:41 PM 
Subject: [Dsg-rich] Humidity monitoring 

Hello, 

Please attached find screenshot of humidity sensors from the RICH nitrogen volume. 


Best Regards, 
Pablo 

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