2019/07/10 (Wednesday)
| Setup | DIB1/3/4 → 3.2 MHz filters 2/3/1 → cable 3/1/2 → gender changer ?/3/2 → HVConn 1/3/2 → HV 1/2 → DCRCX(4)/DCRC55(1) DCRC33(2) → 1kV power supply → HV input Three walls of the lead/poly shield are up. |
|---|---|
| 0854 | Tower/MC/Coldplate = 38.5/29.4/184 mK, Still = 1.18 K / 0.18 mbar / 6 mW, G1/G2 = 204.8/199.9 mbar, 1K Pot = 1.614 K / 19 mbar. MB = 34.8% |
| 0905 | Fill LN2 Coldtrap bath from bomb dewar. |
| 1512 | Begin LHe transfer. MB=25.4%. |
| 1520 | Refill bomb dewar from transfer dewar |
| 1550 | When removing the rubber hose from the bomb dewar, the hose cracked and shattered |
| 1601 | End LHe transfer. MB=89.8%. |
| 1610 | Fill LN2 cold trap bath from transfer dewar. |