john.worden@LIGO.ORG - posted 15:56, Wednesday 29 May 2013 (6542)
ENDY Pumpdown and valve opening.
This plot shows the opening of GV18 at the Y END station. The RED shows the pressure falling after the transition to the large ion pump, the spike up is the valve opening.
Green is the pressure in the 80K pump.
Images attached to this report
