2021/04/10 (Saturday)
- Lab in-person: Matt
- Virtual partner: Monica
| Status | Run 74 in progress. Warming up a second time to fix the DIB2qI short which reappeared at around 130 K. N2 in Cryostat Vacuum Jacket, some He in IVC. Mixture in dump. |
|---|---|
| 1420 | Matt enters lab |
| 1420 | MC(Cernox) = 283.2 K |
| 1425 | Pump out line to Cryostat Vacuum Jacket and check pressure Cryostat Vacuum Jacket = 0.40 mbar Start pumping out CVJ with Scroll Pump |
| 1430 | Switch to Turbo Pump to pump out Cryostat Vacuum Jacket |
| 1430 | Matt exits lab |
Todo tomorrow:
- Check Cryostat Vacuum Jacket pressure by valving out Turbo for 1 minute
- Close CVJ port valve and top valve of pump manifold, reattach pumping line to IVC port
- Remove pump hose from CVJ
- Remove pit covers (use 2×4 and wear gloves)
- Lower MB into pit
- Cover pit