Monitoring of nitrogen gas purity by the hot filament method

Buhlmann, H.J.; Ilegems, M.
July 1997
Review of Scientific Instruments;Jul97, Vol. 68 Issue 7, p2871
Academic Journal
Focuses on the monitoring of nitrogen gas purity by the hot filament sensors. Monitoring of the resulting decrease in filament diameter and rise in filament resistance; Filament and sensors characterization; Theoretical estimate for the sensitivity of gas velocity.


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