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
Содержание KTP1030
Страница 24: ...C I B UNIGAS M039207CB 24 HYDRAULIC DIAGRAMS Fig 16 Hydraulic diagram 3ID0023 Single burner configuration...
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Страница 85: ...RWF50 2x RWF50 3x User manual M12922CB Rel 1 0 07 2012...
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