Retrotec DM32 Bedienungsanleitung PDF herunterladen (Seite 86)

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©Retrotec Inc. 2014

In the tables, the Pressure of Interest is 50Pa, and Assumed n is 0.65 or 0.60

The actual flow exponent n for an enclosure can be calculated by measuring building leakage at multiple

pressure differences, from 10 to 50 Pa, and determining the slope of the line:

Flow = C ×



The graph of pressure versus flow will be linear if graphed on a log-log scale, and the slope will be n.

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For Model DM32 1
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Table of Contents 4
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2. Gauge overview 10
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Figure 9: Top Bar 14
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Description 17
Manufacturer 17
Device displayed 17
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[Settings][Volume] key 25
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Figure 36: Clear a Baseline 33
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4.11 Reset button 44
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To perform a tubing check 56
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Problem caused by 59
Error frequency 59
Error range 59
Comments 59
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9. Technical Specifications 68
Differential Pressure 70
Measure a negative pressure 71
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Cannot Reach 50 Pa Factors 80
Cannot Reach 25 Pa Factors 81
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 85
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Inside Temperature (F) 87
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Glossary 92

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