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installation_fp_sci [2017/06/20 10:43] pereira [Pumping focal-plane chamber] |
installation_fp_sci [2017/06/20 10:44] pereira [Vent focal-plane chamber] |
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* Wait until the chamber is vented (few hours). The **I261PG** Pirani Gauge should read slightly above atmospheric pressure (due to the dry N2 flow pumped to the chamber). The window **VENT STATUS** in PanelMate should display "VENT VALVE OPEN". The window **PUMPDOWN STATUS** should display " | * Wait until the chamber is vented (few hours). The **I261PG** Pirani Gauge should read slightly above atmospheric pressure (due to the dry N2 flow pumped to the chamber). The window **VENT STATUS** in PanelMate should display "VENT VALVE OPEN". The window **PUMPDOWN STATUS** should display " | ||
+ | * When the chamber is fully vented, close the manual vent valve | ||
===== Open focal-plane chamber ===== | ===== Open focal-plane chamber ===== |