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| - Test Results |
| + !Test Result February 2003 at ILL |
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| + [Hef4cTestResults/he0.gif] |
| + |
| + !Test Results on TriCS Flow Cryostat from 20 May 2005 |
| + |
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| + ---- |
| + [Hef4cTestResults/cmp.gif]\\ |
| + Comparison of the test at PSI at 20 May 05 (left) with the test |
| + result at ILL (right, different time scale). For PSI, the same |
| + channel as at ILL is shown (RhFe Sensor). |
| + |
| + __Conclusions from the Test__ |
| + |
| + * The stability is comparable to the results at the ILL (Feb 2003). |
| + It is about +- 0.1 K below 4 K, an better than +- 0.05 K |
| + above. |
| + * Control on the cold valve is delicate, but possible. After cool down |
| + it takes some time (2 hours) until a stable control on the cold |
| + valve controller is possible. |
| + * Further tests on TriCS with cradle moving are needed. It has to be |
| + proven that the test results can be reproduced on the instrument. |
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