Reports until 16:57, Thursday 18 January 2024
LHO VE (VE)
janos.csizmazia@LIGO.ORG - posted 16:57, Thursday 18 January 2024 - last comment - 11:54, Friday 19 January 2024(75467)
1-18 vent vacuum diary
Today's activities:
- The Annulus volumes of HAM6, HAM7, and GV2 were vented with Nitrogen
- HAM6 X+ and X- doors were taken off
- HAM7 X+ and X- doors were prepared to be taken off tomorrow
- HAM7 RGA electronics was disconnected, the aux cart was removed
- The purge air was checked, its quality was satisfactory, see details in comment
- The staff left early because of the unpleasant weather conditions
So far, everything is going according to plan: https://docs.google.com/spreadsheets/d/1F3Z1cjFrFtaNHayVFVVXruY5JwSiY5-S/edit?usp=sharing&ouid=104962245367404322733&rtpof=true&sd=true
Comments related to this report
travis.sadecki@LIGO.ORG - 11:54, Friday 19 January 2024 (75478)

Dewpoint measurement was taken at the output mode cleaner tube purge air output.  It was -40.5C and slowly dropping before the dewpoint meter battery decided to die.  Since this already satisfied our dewpoint threshold, I did not re-sample after replacing the battery.