[dsg-hallb_rich] RICH Aerogel drybox update

[Patrizia Rossi]

Dear Tyler,

sorry for my late “thank you” but this week I was very busy with the PAC.
Thank you for taking care of our precious aerogel and please check regularly that we can receive a notification  e-mail when something goes wrong.

best
patrizia
--------------------------------------------------
# Patrizia Rossi
# Jefferson Lab 
# 12000 Jefferson Avenue
# Suite 5
# Newport News VA 23606 (USA)
# e-mail: rossi at jlab.org
# phone: +1 (757) 269 7740
# fax: + 1 (757) 269 5800
# cell: +1 (757) 528 7606




> On 11 Aug 2020, at 16:41, Tyler Lemon <tlemon at jlab.org> wrote:
> 
> Hello,
> 
> Since it has been about a month, I reviewed the data for the RICH aerogel dryboxes. Attached are three plots: all raw data from the archiver, a plot of the average drybox humidity by day, and a plot of the average drybox temperature by day.
> 
> As you can see in the data, on July 25, the humidity in Drybox 2 rose to ~54% RH. The humidity has since returned to a normal value. The cause of the spike is unknown, but since Drybox 2 is the only one showing the rise, it could be that the drybox itself had a internal problem that it recovered from.
> 
> We'll continue monitoring the dryboxes in the upcoming weeks to see if there is another rise.
> 
> Also, just a reminder, anyone can view the drybox data through EPICS.
> 
> The data is in the archiver under the PVs below.
> B_DET_RICH_DRYBOX_1_HUM
> B_DET_RICH_DRYBOX_2_HUM
> B_DET_RICH_DRYBOX_3_HUM
> B_DET_RICH_DRYBOX_1_TEMP
> B_DET_RICH_DRYBOX_2_TEMP
> B_DET_RICH_DRYBOX_3_TEMP
> 
> There is also a CSS screen in clascss accessible through the RICH overview menu under Hardware Interlocks. This screen requires two-factor login to a Hall B Linux server.
> 
> Additionally, there is a WEDM version of the drybox monitoring screen in JLab's EPICSWEB. This screen is available from a web browser with a JLab CUE login. A link to the screen is below.
> 
> https://epicsweb.jlab.org/wedm/screen?edl=%2fcs%2fopshome%2fedm%2fdsg%2fRICH-drybox.edl
> 
> Best regards,
> Tyler
> <RICH drybox temperature 2020-08-11.png><RICH_aerogel_dryboxes_2020-08-11.jpg><RICH drybox humidity 2020-08-11.png>_______________________________________________
> dsg-hallb_rich mailing list
> dsg-hallb_rich at jlab.org
> https://mailman.jlab.org/mailman/listinfo/dsg-hallb_rich