[Dsg-halla_gem] Supplemental Gas Distributon Concept

[Marc Mcmullen]

Hi Kondo and Holly,

Do you have any information on the specifications for the supplemental gas distribution George has designed? Will the concept as designed meet all the requirements?

Regards,
Marc McMullen
Sr. Instrumentation Designer
Detector Support Group
(757) 269-7738

From: Marc Mcmullen<mailto:mcmullen at jlab.org>
Sent: Monday, March 1, 2021 5:46 PM
To: dsg-halla_gem at jlab.org<mailto:dsg-halla_gem at jlab.org>; Holly Szumila-Vance<mailto:hszumila at jlab.org>
Subject: [Dsg-halla_gem] Supplemental Gas Distributon Concept

Hi Kondo and Holly,

George Jacobs briefed the DSG on his proposal for a self contained supplemental gas distribution unit, as was discussed in the last monthly GEM gas distribution meeting.

This design will have the components installed in a 6U chassis, so it will be mobile and will only require a gas supply connection and connectivity to the detector at one of the output channels.

His talk is attached, please read through it.

We would like to know some additional information prior to moving on to component selection. George's design provides six channels of flow, four 500 sccm flow meter valves and two 1000 sccm flow meter valves. Do you think this is sufficient? If not please provide some specification such as channel count and flow limits for the channel count types.

Additionally, please let us know what the timeline for this system is for the GEM project, this information is helpful to the DSG manager as he schedules all DSG activities.

The current proposal does not provide remote monitoring, as this system is designed to be mobile. Remote monitoring would require additional instrumentation and consideration due to the need for network infrastructure, data acquisition, and power. If this is a requirement, please specify.

Regards,
Marc McMullen
Sr. Instrumentation Designer
Detector Support Group
(757) 269-7738





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