Difference between
version 26
and
version 1:
At line 1 added 14 lines. |
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+ |LHe hold time with stable temperature below 50 K: | 2.5 day |
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+ [ill1a.jpg] |
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+ !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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