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gas_handling_system [2014/11/18 11:06]
pereira [In Data-U6] 		gas_handling_system [2014/11/19 11:14]
pereira [Tracking Gas bottles pressures]
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   * Follow instructions under [[#Preparation of Gas bottles|Preparation of Gas bottles]]    * Follow instructions under [[#Preparation of Gas bottles|Preparation of Gas bottles]] 
  
-  * 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.ui page 07**) while detectors are being filled with gas; the pressure normally stays below 5E-5 Torr.
  
   * Confirm that the detector pressure as indicated by the display labeled P.T. #1 reads below a couple of Torr   * Confirm that the detector pressure as indicated by the display labeled P.T. #1 reads below a couple of Torr
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   * Enter S3 vault and close main valves on [[#Preparation of gas bottles|gas bottles]]: P-10 for the [[Detectors#Ionization Chamber|ionization chamber]] (C<sub>4</sub>H<sub>10</sub>) and CF<sub>4</sub> (tetrafluoromethane) for the [[Detectors#Cathode Readout Drift Chambers (CRDC)|CRDCs]]    * Enter S3 vault and close main valves on [[#Preparation of gas bottles|gas bottles]]: P-10 for the [[Detectors#Ionization Chamber|ionization chamber]] (C<sub>4</sub>H<sub>10</sub>) and CF<sub>4</sub> (tetrafluoromethane) for the [[Detectors#Cathode Readout Drift Chambers (CRDC)|CRDCs]] 
  
 +===== Tracking Gas bottles pressures =====
 +In order to track the status of the gas bottles for the [[Detectors#Ionization Chamber|ionization chamber]], the  [[Detectors#Cathode Readout Drift Chambers (CRDC)|CRDCs]], and the [[Detectors#[Tracking Parallel Plate Avalanche Counters (TPPAC)]|TPPAC]], it is possible to monitor their remaining pressures from Barney. Just open the **A1900** page, then **Tools**, and then **Gas Status**. The following window will be displayed:
  
  
  
 +{{:wiki:gas-bottles-status.jpg?300|Barney display of pressures of all "supported" gas detectors in the lab}}
gas_handling_system.txt ยท Last modified: 2023/05/11 11:29 by pereira

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