Diff: RemoveMixtureDIL

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JSPWiki v2.0.52


Difference between version 12 and version 1:
Line 1 was replaced by line 1
- !Removing the mixture
+ !Removing the Mixture
At line 2 added 10 lines.
+ It is highly recommended to use the automatic scripts in SEA.
+ You might choose between:
+
+ * remove_only: remove the mixture and stay at 10 K
+ * remove_and_warmup: remove and warm up to 80 K for removing the stick
+ * remove_and_condense
+ * remove_and_sorbump
+
+ Manual procedure:
+
Lines 4-9 were replaced by lines 14-22
- * set the mixing chamber heater and the still heater to 1 mW
- * if the system has to be warmed up to romm temperature, the
- VTI set temperature can be set to 10 K, as soon as the dump
- pressure is beyond 90 % of its original value (630 mbar)
- * wait until the pressure on P1 drops below 0.01 mbar, then close
- valves 12, 13, 3 and 9.
+ * set the mixing chamber heater and the still heater to 19 mW
+ * set the VTI temperature to 4 K
+ * the VTI set temperature can be set to 10 K, as soon as the dump
+ pressure is beyond 90 % of its original value (630 mbar on [DIL1],
+ 500 mbar on [DIL2])
+ * wait until the pressure on P1 drops below 0.1 mbar, then close
+ all valves, and stop the 3He pump.
+
+ [DIL1/igh.png]

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