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2020/08/30 (Sunday)

Previous Day

  • Lab in-person: Zach
  • Virtual partner: Michael
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 on overnight. Lead/poly shield erected (4 lead walls, 2 poly walls).
0628 MB = 32.9%. Predict MB will hit 20% at 13:58.
1300 Zach body temp = 97.8
1320 Zach arrives at lab.
1327 Tower/MC/Coldplate = 48.9/29.8/183 mK, Still = 1.15 K / 0.095 mbar / 0 mW, G1/G2= 221/232 mbar, 1K Pot = 1.69 K / 50±5 mbar.
1345 Begin LHe transfer @ MB = 20.4%
1405 Filled LN2 cold trap dewar.
1420 Ended LHe transfer @ MB = 92.6%
1443 MB = 92.6%
1700 Zach body temp = 98.3
time MB
2020-08-30 0:28 42.6
2020-08-30 1:28 41
2020-08-30 2:28 39.3
2020-08-30 3:28 37.9
2020-08-30 4:28 36.3
2020-08-30 5:28 34.6
2020-08-30 6:28 32.9
2020-08-30 7:28 31.3
2020-08-30 8:28 29.6
2020-08-30 9:28 27.9
2020-08-30 10:28 26.1
2020-08-30 11:28 24.2
2020-08-30 12:28 22.2
2020-08-30 13:28 20.4

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