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1、TABLEOFCONTENTSVOLUME4?FLOW&LEVELMEASUREMENTSectionTopicsCoveredPageTurbulent
Laminar
Velocity
Velocity
orFlow
Flow
￥TheFlowPioneersProfileProfileEAFlowMeasurementOrientation￥FlowSensorSelectionD108VE￥Accuracyvs.RepeatabilityMagnetic
CoilFigure1-3:Faraday'sLawistheBasi
2、softheMagneticFlowmeter￥PrimaryElementOptionsWedgeFlow
ElementHL2DifferentialPressureFlowmeters￥PitotTubesD16H￥VariableAreaFlowmetersA)SegmentalWedgeB)V-ConeFigure2-8:ProprietaryElementsForDifficultFluids1stDetectorFlowTube2ndDetector￥PositiveDisplacementFlowmeters3Mec
3、hanicalFlowmeters￥TurbineFlowmetersFlow34Displacer￥OtherRotaryFlowmetersCalibrated
VolumeFigure3-7:1.00
K=1Asymptote
￥MagneticFlowmeters0.95
ForFlatProfile0.90
K4ElectronicFlowmeters￥VortexFlowmeters0.85
46￥UltrasonicFlowmeters0.80
0.75
K=0.75ForLaminarFlow0.701101001,
4、000104105106107ReFigure4-6:Support
MassFlowtube
(Typical)EnclosureMassTubeEnclosureFlangesFlow
SupportPipe/FlowtubeJunctionDirection
￥CoriolisMassFlowmetersArrowNOTE:
DistanceBetween
Pipe/Flowtube
Junctionand
Flow
Support
NOTE:DistanceBetween
MustNot
Pipe/FlowtubeJunct
5、ionand
5MassFlowmeters￥ThermalMassFlowmetersDirectionArrowExceed15Inches
SupportMustNot
58A)B)Exceed15Inches
￥Hot-WireAnemometers'U'Rest'V'Rest'V'Bolt
InvertedPipe
'V'BlockClamp
C)ClampHangerClamp(CanBeInverted)Figure5-5:04Volume4TRANSACTIONSREFERENCESECTIONSEditorial0
6、6106InformationResourcesAboutOMEGA07110GlossaryVOLUME4?FLOW&LEVELMEASUREMENTSectionTopicsCoveredPageLevel%100￥LevelSensorSelectionVerticalSphere6ALevelMeasurementOrientation￥Boiling&CryogenicFluids5072Horizontal￥Sludge,Foam,&MoltenMetalsCylindrical050100Volume%Figure6-
7、3:BimetalicNozzle&FlapperPneumaticTemperatureRangeRelayCompensatorLiquidSpring￥Dry&WetLegDesignsFilFeedbackBelowsAirSupplyOutput7Pressure/DensityLevelInstrumentation￥BubblerTubesFulcrum&Seal76ForceBarLowPresureHighPresure￥Floats&DisplacersSideSideHighPresureLowPresureL
8、iquidFiledSideSideDiaphragmCapsuleA)B)Figure7-3:Level#1Kv#2KAC=DD--KlC=Capacitance￥TheoryofOperation---K=DieletricCon
