UMN CDMS Wiki archive
start › cdms › k100 › group_meetings › 20250225
Teleconference link: https://umn.zoom.us/j/9024497080?omn=98454621599
Meeting ID: 902 449 7080
Domestic: 1-408-638-0968 (US toll)
Access code:
  • Lab Update
    • He test on circulation line:
      • Added 200 mbar He through vent port into condenser side and Still side. No change in IVC leak detector readings in 10e-10 mbar L/s.
      • Pumped out with scroll pump, but gauge value didnt change.
    • Turbo pump repair:
      • Using manual, open the turbo base plate and replaced roughing pump.
      • Initial start seem to failing to go below 1e-3 mbar
      • Kept it running over weekend. Yesterday, pressure is stable and below 1e-5 mbar, as expected.
    • IVC is pumped out overnight. Plan is to do electrical checks and raise Main Bath.
  • Priority Updates
  • General Updates
    • Himangshu
    • Shubham
    • Zach
    • Elliott
    • Scott