1) Visual inspection of T2 M9 flange: no obvious indium deposits on T2 flange knife edge seen, left over indium from before 2013 is still present on counter bore. See screen captures. Screen captures show state of flange after removing blanking plate, no cleaning was performed after removal.
2) Rlanking plate with rubber seal installed on T2M9 exit port at noon. T2 volume pumping started around 13:00.
2) Plot of pressure over a week period of 1ACG3, units in Torr:
|