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Design and performance of a portable infiltration meter.

Coblentz C.W. Achenbach P.R., 1957
air change rate | tracer gas | helium | instrumentation | katharometer
Bibliographic info: ASHAE trans. vol 63 p477-482
Languages: English

Gives formula for calculating air-change-rate from decay rate of a tracer gas. Discusses different tracer gases and detecting instruments. Describes portable meter used to measure the concentration of helium. Discusses its performance and describes the experimental procedure.


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