chandra.romel@LIGO.ORG - posted 11:16, Monday 04 November 2019 (52967)
diurnal pressure fluctuations in corner
Pressure trend of PT-120B on BSC2 in corner over seven days shows small diurnal fluctuations likely due to hydrogen outgassing as beamtube heats up during day.
Corner station is operating with 2500 l/s x 2 less pump speed from loss of IP 5,6 after decoupling H2 and capping BSC 7,8.
Images attached to this report
