14
Duct pressure switches and sensors
Installing differential pressure probes for air
A - Control a filter (clogging)
B - Control a fan (upstream/downstream)
C - Measurement of difference in pressure between two ducts
D - Measurement of difference in pressure between two rooms or
of inside of duct and outside
Basic principles
Measuring static pressure(i.e. pressure exerted
by air on pipe walls)
Measuring dinamic pressure
Key
y Kg/m
3
, specific weight of air
m/s, air speed
g 9.81
m/s
2
gravity acceleration
Pd
mm C.A., dynamic pressure
Measuring total pressure
Summary of Contents for RN510
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Page 65: ...RWF50 2x RWF50 3x User manual M12922CB Rel 1 0 07 2012...
Page 80: ...16 Note Specifications and data subject to change Errors and omissions excepted...
Page 81: ...KM3 Modulator USER MANUAL M12927CA Rel 1 0 10 2020...
Page 82: ...M12927CA MOUNTING 2...
Page 98: ...1 RWF55 5X RWF55 6X User manual M12926CA Rel 0 1 10 2015...
Page 99: ...2 DEVICE INSTALLATION Fixing system Drilling dimensions...
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Page 121: ...23 Note Specifications and data subject to change Errors and omissions excepted...
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