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TQCM Monitored Thermal Vacuum Bakeout
11 Feb 2020
Yes
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Airbus has two Vacuum facilities which are set up to ESA requirements for vacuum bakeout, to provide state of the art outgassing monitoring using a trio of Thermoelectric Quartz Crystal Microbalances (TQCMs).

Yes
 
​The use of Thermoelectric Quartz Crystal Microbalances (TQCM) is highly recommended by the European Space Agency (ESA) to demonstrate the effectiveness of a Thermal Vacuum Bake-Out. We have two Vacuum facilities which are set up to ESA requirements, to provide state of the art outgassing monitoring using a trio of TQCMs. A TQCM is a device used to monitor in real-time the evolution of the amount of volatile condensable materials emitted from a device/unit under test.
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​This is achieved by measuring the mass flow of contaminants that condense at a specific temperature on its sensing surface. Our TQCM Monitoring system is fully data logged. We have software and analysis methods to undertake full interrogation of the results achieved and confirm the out-gassing rate achieved.​

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