2020/11/11 (Wednesday)
- Lab in-person: Ruiren
- Virtual partner: Matt
| Status | End of Run 73 warmup. 1K Pot pumped out and isolated. Fridge and 4He and LN2 Trap 1 isolated, not pumped out. N2 gas in IVC and cryostat vacuum jacket. |
|---|---|
| 0800 | MC(Cernox) = 281.9 K. It reached dew point at 4:30 am (assuming dew point is 279 K = 42.5 F) |
| Ruiren temperature = 36.6 C | |
| 1110 | Ruiren enters lab |
| 1115 | Check pressure in cryostat vacuum jacket: 190 μbar. Start pumping out CVJ with Scroll pump then switch to Turbo pump. Turbo → 12 μbar and falling. |
| 1120 | Ruiren leaves lab |