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

mdefurne mdefurne at jlab.org
Thu Dec 14 12:38:09 EST 2017


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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