Retrotec DM32 User Manual download pdf (Page 91)

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©Retrotec Inc. 2014

Tip: Box pressure of 8 Pa or less is recommended because higher pressures will decrease the exhaust fan flow rate.

Box pressures below 3 Pa are less accurate because small fluctuations in pressure will affect the flow a lot. One Pa is a

practical limit for measuring flow, below which readings cannot be taken. Try the same fan with different holes to see

the different results.

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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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Retrotec DM32 User Manual Page 91

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