Knudsen gage

Knudsen gage

[kə′nüd·sən ‚gāj]
(engineering)
An instrument for measuring very low pressures, which measures the force of a gas on a cold plate beside which there is an electrically heated plate.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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