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Retrotec DM-2 User Manual

Page 44

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Page 44 of 72
©Retrotec Inc. 2012

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. Try the same fan with different holes to see the different results.