2020/08/22 (Saturday)
- Lab in-person: Zach
- Virtual partner: Derek
| Setup | Run 73. DIB 1/3/4 → Stripline 43/48/41 → pi-filters 1/2/3 → Cable 3/1/2 → nothing/nothing/accessory_interposer → HV_Conn 1/3/2 → HV 1/2 → DCRCX(4)/DCRC55(1)-master; DCRC33(2) → HV control. DCRCs off overnight. Lead/poly shield erected (4 lead walls, 2 poly walls). |
|---|---|
| 0950 | Tower = 47.9 mK |
| 0958 | Start a 60 min series 0V, CDMS detector: Driver Gains = 1x, DCRC4/1 QET biases = (0,320,370,0)/(0,360,420,410)uA, Front-End Gains = (3/3/3)/(5/5/5) 1000 BOR & 5 Hz in-run randoms, trigger on DCRC1pD threshold = 8 Use sequence SimpleDataLoopNoFlash.msl |
| 1005 | Still = 0.095 mbar, G1/G2 = 146/147 mbar. Tower temperature flat overnight. |
| 1120 | Zach body temp = 98.9 |
| 1155 | Zach arrives at lab. |
| 1200 | Tower/MC/Coldplate = 47.9/29.8/191 mK, Still = 1.44 K / 0.10 mbar / 0 mW, G1/G2= 146/147 mbar, 1K Pot = 1.66 K / 55±5 mbar. |
| 1220 | Started LHe @ MB = 10.7 % |
| 1238 | Filled LN2 cold trap dewar. |
| 1244 | Purge bag was largely open, either some tape fell of or it was left open, closed it up with tape and increased LN2 flow somewhat. |
| 1300 | Finish LHe Transfer @ MB = 93.1% |
| 1320 | Zach leaves lab. |
| 1400 | Zach body temp = 98.2. |