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vacuum_control [2014/11/19 10:49] pereira [General Information] |
vacuum_control [2019/10/17 10:43] (current) pereira [Object Box] |
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The readout from the ion gauges in the S3 vault is available through the control system, but these gauges cannot be turned on and off remotely. They are switched on and off locally by pressing the **EMIS** button on their controllers, | The readout from the ion gauges in the S3 vault is available through the control system, but these gauges cannot be turned on and off remotely. They are switched on and off locally by pressing the **EMIS** button on their controllers, | ||
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The ion gauge for the [[Stations|Object station chamber]] vacuum system makes too much light for the object scintillator. | The ion gauge for the [[Stations|Object station chamber]] vacuum system makes too much light for the object scintillator. | ||
- | As stated above, this ion-gauge can only be turned off " | + | As stated above (see figure above), this ion-gauge can only be turned off " |
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===== Target Chamber ===== | ===== Target Chamber ===== | ||
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**Important note**: Ensure that the experimenters never pump the chamber down if the spectrograph vacuum section is vented. The pressure gradient between both sections would " | **Important note**: Ensure that the experimenters never pump the chamber down if the spectrograph vacuum section is vented. The pressure gradient between both sections would " | ||
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===== Spectrograph ===== | ===== Spectrograph ===== | ||
This system is pumped with cryopumps. Please do not vent this section if the target chamber is under vacuum pressure. The pressure gradient between both sections would " | This system is pumped with cryopumps. Please do not vent this section if the target chamber is under vacuum pressure. The pressure gradient between both sections would " |