| 1101 | Fill LN2 cold trap bath |
| 1121 | open 1K needle valve: 30 deg, MC(Cernox) = 3.5K and linearly falling, Still = 1.779 K, 1K pot = 2.42 K , P2 = 15 mbar |
| 1125 | MC(H35) = 2.91K, Still = 1.779 K, 1K pot = 2.28 K , P2 = 15 mbar, G1/G2 = 300mbar/300 mbar |
| 1128 | 1k needle valve = 45 deg, P2 = 30 mbar |
| | Leak checker 5.1 e-9 mbar L/s, with turbo pumping |
| 1133 | MC(H35) = 2.55K, Still = 2.42 K, 1K pot = 1.69 K , P2 = 30 mbar, G1/G2 = 200mbar/200 mbar. Closing the dump valve V9. |
| 1150 | MC(H35) = 2.11K, Still = 2.05 K, 1K pot = 1.56 K , P2 = 40 mbar. |
| 1157 | MC(H35) = 2.11K and flat, start circulation |
| 1207 | Stop turbo pumping on IVC. Leak detector = 6.7e-8 mbar L/s, before closing IVC valves on top of fridge |
| 1212 | MC(H35) = 1.37K, Still =1.4 K, 1K pot = 1.68 K , P2 = 50 mbar. |
| 1215 | MC(H35) = 1.16K, Still =1.17 K, 1K pot = 1.69 K , P2 = 40 mbar. |
| 1218 | Last time (MC(Cernox) → 1.14 K. Still(P1) → 1.10 K / max mbar, Coldplate = 1.05 K, 1K Pot = 1.71 K (3667 ohm)) |
| | This time MC(H35) = 1.06K, Still =1.067 K, 1K pot = 1.68 K , P2 = 40 mbar., Coldplate = 4690 kohm |
| 1224 | open V6 now |
| 1224 | MC(H35) = 0.845K, Still =0.817 K, 1K pot = 1.689 K , P2 = 40 mbar, Coldplate = 5780 kohm |
| 1228 | MC(H35) = 541 mK, Still =4356 kohm/ 0.481 K, 1K pot = 1.687 K , P2 = 40 mbar, Coldplate = 7180 kohm |
| 1233 | MC(H35) = 263 mK, Still =4390 kohm/1.07 K, 1K pot = 1.69 K , P2 = 40 mbar, Coldplate = 7616 kohm |
| 1239 | MC(H35) = 136 mK, Still =4376 kohm/1.08 K, 1K pot = 1.68 K , P2 = 40 mbar, Coldplate = – kohm, Tower = 162 mK |
| 1246 | MC(H35) = 84 mK, Still =4361 kohm/1.09 K, 1K pot = 1.68 K , P2 = 40 mbar, Coldplate = – kohm, Tower = 128 mK |
| 1251 | MC(H35) = 58 mK, Still =4393 kohm/1.07 K, 1K pot = 1.68 K , P2 = 40 mbar, Coldplate = – kohm, Tower = 113 mK |
| 1256 | MC(H35) = 40 mK, Still =4383 kohm/1.07 K, 1K pot = 1.68 K , P2 = 40 mbar, Coldplate = – kohm, Tower = 101 mK |
| 1301 | MC(H35) = 33 mK, Still =4383 kohm/1.07 K, 1K pot = 1.68 K , P2 = 40 mbar, Coldplate = – kohm, Tower = 96 mK, P1 = 300 mTorr |
| 1317 | Tower =90mK, Connected Cable 1 and 3 with RevE, tower temp jumped to 218 mK. Removed RevE board from adapter board, tower temp start to go down |
| 1332 | With DAQ ON, the Tower temp is stable at 128 mK, with a slight trend upwards. I will remove the DAQ for now and see how low we can get the tower to go. |
| 1343 | Tower = 88mK/ 23.69 kohm |
| 1358 | Tower = 86.3 mK / 24.53 kOhms |