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Description
3.4 Theory of Operation
FUG1010 IP65 NEMA 4X
34
Operating Instructions, 01/2013, A5E02951519-AC
Flow Calibration Factor
Normally, the flow stream is parallel to the axis of the pipe. On this basis, the calibration
factor of a clamp-on ultrasonic flow meter is proportional to the cosine of the beam angle
relative to the pipe axis. However, this reveals that if the angle of flow stream is not in line
with the pipe axis, the flow calibration factor could be compromised. This most often occurs
when the sensor mounting location is within close proximity of a bend or other pipe
obstruction.
①
Upstream Sensor
②
Downstream Sensor
③
Flow Direction
④
Wide Beam transmissions exchanged between the Upstream and Downstream sensors
Reflect mounting automatically corrects for non-axial flow or cross flow since the 2 vectors in
a reflected beam are affected in opposite directions, such that the individual cross flow errors
cancel each other.
Содержание FUG1010 IP65 NEMA 4X
Страница 9: ...Table of contents FUG1010 IP65 NEMA 4X 8 Operating Instructions 01 2013 A5E02951519 AC ...
Страница 23: ...Safety notes 2 6 Certificates FUG1010 IP65 NEMA 4X 22 Operating Instructions 01 2013 A5E02951519 AC ...
Страница 93: ...Commissioning 6 3 Installation Menus FUG1010 IP65 NEMA 4X 92 Operating Instructions 01 2013 A5E02951519 AC ...
Страница 143: ...Service and maintenance 9 4 Battery disposal FUG1010 IP65 NEMA 4X 142 Operating Instructions 01 2013 A5E02951519 AC ...
Страница 165: ...Troubleshooting 10 5 Force Transmit FUG1010 IP65 NEMA 4X 164 Operating Instructions 01 2013 A5E02951519 AC ...
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Страница 237: ...21614 C 1011NFPS 7 ...
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Страница 246: ...21614 C ...
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Страница 249: ...1012TN 7 INSTALLATION DRAWING 1010 SERIES TRANSDUCERS AND MOUNTING TRACKS 21614 C ...
Страница 250: ...1012TN 7 INSTALLATION DRAWING 1010 SERIES TRANSDUCERS AND MOUNTING TRACKS 21614 C ...
Страница 251: ...1012TNH 7 INSTALLATION DRAWING 1010 SERIES TRANSDUCERS AND MOUNTING TRACKS 21614 C ...
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Страница 266: ...Glossary FUG1010 IP65 NEMA 4X 200 Operating Instructions 01 2013 A5E02951519 AC ...
Страница 270: ...Index FUG1010 IP65 NEMA 4X 204 Operating Instructions 01 2013 A5E02951519 AC ...