Lines 9-11 were replaced by line 9 |
- * make the seal with clean fingers (a thick layer on the stick, |
- only a small amount inside the aluminium tube). __New:__ when using |
- the CAF seal, put nothing inside the aluminium tube |
+ * make the CAF seal (red silicon paste) with clean fingers |
Lines 15-18 were replaced by lines 13-14 |
- * put into LN2 for precooling, put a small amount of He (1 mbar or |
- less) into the IVC. |
- * if there is no hurry and the sample must be cooled slowly, |
- the stick might be put directly into the cryostat (without LN2 precooling). |
+ * put a small amount of 3He (1 cm3) into the IVC. |
+ * put the stick into the variox or magnet VTI. |
Lines 20-21 were replaced by lines 16-17 |
- * cool down the heat exchanger of the variox or magnet (setpoint 5 K) |
- * pump the IVC (15 min. with sorb temperature set to 40 K, |
+ * cool down the heat exchanger of the variox or magnet |
+ * pump the IVC (5 min. with sorb temperature set to 40 K, |
Removed lines 23-24 |
- * test if the temperature of the mixing chamber is no longer coupled |
- to the heat exchanger (changing the setpoint to 6 or 7 K). |