[Dsg-htcc] [Dsg-mvt] MVT C4H10 mass flow controller installation/Alarms

Marc McMullen mcmullen at jlab.org
Thu Dec 14 12:41:29 EST 2017


Hi Maxime, 

That is fine. Todd and I are working on the mixing system using Argon, and flowing to the atmosphere. 

Marc McMullen 
Physics Division 
Detector Support Group 
7738 


From: "mdefurne" <mdefurne at jlab.org> 
To: "Marc McMullen" <mcmullen at jlab.org>, dsg-mvt at jlab.org, "dsg-htcc" <dsg-htcc at jlab.org> 
Sent: Thursday, December 14, 2017 12:38:09 PM 
Subject: Re: [Dsg-mvt] MVT C4H10 mass flow controller installation/Alarms 



Hi Marc, 

Thank you very much. I guess the MFC was working well with N2. 


It is planned that we will have good beam until tuesday. So the priority will be for the data taking. If any test needs to stop flushing premix in the detector, it will have to wait for wednesday (So far good beam has been very rare and just arrived last night.) 

Kind regards, 

Maxime 

Le 14/12/2017 à 09:19, Marc McMullen a écrit : 



I will be sending the spare mfc to the Hall B Gas tech, Todd Ewing, later today for installation. I'll have to periodically stop the controls during the swap (briefly), so you may see some alarms on HTCC flow, pressure, and moisture. The system will probably have to be stopped at least twice for short periods of time. 

Marc McMullen 
Physics Division 
Detector Support Group 
7738 


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