Using Carbon Dioxide as a Tracer Gas to Measure Air Change Rate ...
Using Carbon Dioxide as a Tracer Gas to Measure Air Change Rate ...
Using Carbon Dioxide as a Tracer Gas to Measure Air Change Rate ...
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Research<br />
Standard Test Method for Determining <strong>Air</strong> <strong>Change</strong> in a<br />
Single Zone by Means of a <strong>Tracer</strong> G<strong>as</strong> Dilution – ASTM E<br />
741 – 00<br />
<strong>Tracer</strong> g<strong>as</strong>es (examples)<br />
CO 2 – PEL 5000 ppm<br />
SF 6 – PEL 1000 ppm<br />
CO – PEL 50 ppm<br />
Selection of test method<br />
Concentration Decay<br />
Constant Injection<br />
Constant Concentration<br />
Boelter & Yates, Inc. 2004
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