installation_fp_sci
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installation_fp_sci [2015/05/04 13:05] pereira [Closing focal-plane chamber] |
installation_fp_sci [2015/05/04 13:05] pereira [Closing focal-plane chamber] |
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| - Before pumping the chamber down, make sure that the scintillator is properly connected. This can be done by biasing the detector and checking the signals, either from the scalers or with a scope. One should clearly see cosmic rays; if that is not the case, the phototubes are likely miss connected | - Before pumping the chamber down, make sure that the scintillator is properly connected. This can be done by biasing the detector and checking the signals, either from the scalers or with a scope. One should clearly see cosmic rays; if that is not the case, the phototubes are likely miss connected | ||
| - In order to pumpdown the chamber, make sure that the manual vent valve is closed | - In order to pumpdown the chamber, make sure that the manual vent valve is closed | ||
| - | - Start the manual pump to get a pressure below 50 mtorr {{: | + | - Start the manual pump to get a pressure below 50 mtorr {{: |
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installation_fp_sci.txt ยท Last modified: 2023/08/18 10:19 by noji
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