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Environmental calibration chamber operationsThermal vacuum capabilities are provided for the development, calibration, and functional operation checks of flight sensors, sources, and laboratory and field instruments. Two systems are available. The first is a 46 cm diameter diffusion pumped vacuum chambler of the bell jar variety. It has an internal thermal shroud, LN2 old trap, two viewing ports, and various electrical and fluid feedthroughs. The other, also an oil diffusion pumped system, consists of a 1.8 m diameter by 2.5 m long stainless steel vacuum tank, associated pumping and control equipment, a liquid nitrogen storage and transfer system and internal IR/visible calibration sources. This is a two story system with the chamber located on one floor and the pumping/cryogenic systems located on the floor below.
Document ID
19890018821
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
Lester, D. L. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1988
Publication Information
Publication: Laboratory for Oceans
Subject Category
Research And Support Facilities (Air)
Accession Number
89N28192
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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