2017/08/13 (Sunday)
| Status | Fridge warming, circulation and 1K Pot off. Bath should be empty by now. LN2 traps empty and warm. Fridge open to dump. 1K Pot needle valve open. No longer pumping on IVC. |
|---|---|
| 0645 | MC (Cernox) = 21.20 K (checked remotely) |
| 1005 | MC (Cernox) / Sorb = 26.48 / 48 K (1K Pot maxed). IVC = 14 μbar. G1(Fridge&Dump) = 753 mbar and flat. |
| At 4:20-4:50 am Tower quickly rose from 4→20 K. Fridge pressure increased steadily until 4:30 am then flattened out. | |
| 1010 | Start pumping fridge contents to dump |
| 1020 | G1 flat at 0.3 mbar, P1 flat at 0.016 mbar. G2(dump) = 774 mbar, still creeping up a bit. Close Still gate valve and Condenser speedivalve to stop pumping out fridge. Close all GHS valves and turn off 3He pump. |