Difference between
version 26
and
version 3:
| Line 3 was replaced by lines 3-15 |
| - |LHe hold time with stable temperature below 50 K: | 2.5 d |
| + |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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