A dew point meter based on thermoelectric cooling
O G Griffin; C M Stringfield; O G Griffin; Safety in Mines Research Establishment, Ministry of Power, Sheffield 3; C M Stringfield; Safety in Mines Research Establishment, Ministry of Power, Sheffield 3
Журнал:
Journal of Scientific Instruments
Дата:
1964-04-01
Аннотация:
With the instrument described, the dew point of gas flowing in a tube is obtained by observing the temperature at which condensation is formed on a mirror surface that is heated and cooled electrically. Dew points 20 degc below the gas temperature and in the range 50 to -5° C have been measured in gas flows of 40 1. min<sup>-1</sup>.
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