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gas_handling_system [2013/12/26 14:51] pereira [In the S3 vault] |
gas_handling_system [2013/12/26 14:54] pereira [Removing Gas from Focal Plane Detectors] |
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* Follow instructions under [[# | * Follow instructions under [[# | ||
- | * Monitor the pressure of the focal plane vacuum chamber (as read out via the I264IG ion gauge in PanelMate **S800vac.MT2 page 07**) while detectors are being filled with gas; the pressure normally stays below 5E-5 Torr. | + | * Monitor the pressure of the focal plane vacuum chamber (as read out via the I264IG ion gauge in PanelMate **S800vac.MT2 page 07**) while detectors are being filled with gas; the pressure normally stays below 5 x 10< |
* Confirm that the detector pressure as indicated by the display labeled P.T. #2 reads below a couple of Torr | * Confirm that the detector pressure as indicated by the display labeled P.T. #2 reads below a couple of Torr | ||
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* Open **valves 6 and 22** | * Open **valves 6 and 22** | ||
- | * Enter vault and close main valves on gas bottles: | + | * Enter S3 vault and close main valves on [[Preparation of gas bottles|gas bottles]]: P-10 for Ion Chamber isobutane (C< |