Difference between
version 26
and
version 4:
Line 3 was replaced by lines 3-15 |
- |LHe hold time with stable temperature below 50 K: | 2.5 days |
+ |LHe hold time with stable temperature below 50 K: | 2.5 day |
+ |
+ |
+ [ill1a.jpg] |
+ |
+ |
+ |
+ |
+ |
+ !Problems |
+ * after changing a burned capillary heater, there is a small problem |
+ below 10 K: it takes a long time until normal values of the needle valve |
+ can be used to reach the minimum temperature. |
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