Siemens FX300 manual Technical data, Measuring system, Measuring accuracy

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TECHNICAL DATA 8

 

SITRANS FX300

 

 

 

8.2 Technical data

INFORMATION!

The following data is provided for general applications. If you require data that is more relevant to your specific application, please contact us or your local representative.

Additional information (certificates, special tools, software,...) and complete product documentation can be downloaded free of charge from the website .

Measuring system

Application range

Flow measurement of liquids, gases and vapours

 

 

Operating method / measuring

Karman vortex street

principle

 

 

 

Measured value

 

 

 

Primary measured value

Number of separated vortices

 

 

Secondary measured value

Operating and standard volumetric flow, mass flow

 

 

Signal converter

 

 

 

Versions

Compact

 

 

 

Option: Ex version

 

 

Measuring sensor

 

 

 

Standard

Basic device in flange version (with integrated temperature

 

measurement)

 

 

 

Basic device in sandwich version (with integrated temperature

 

measurement)

 

 

Optional

Basic device with additional pressure measurement

 

 

 

Basic device with additional pressure measurement and shut-off

 

valve for pressure sensor

 

 

 

Dual measuring device in both flange and sandwich version

 

(redundant measurement)

 

 

 

Dual measuring device in flange version with additional pressure

 

measurement

 

 

Display and user interface

 

 

 

Local display

2 lines, 10 characters per line

 

 

Operating and display languages

German, English, French

 

 

Measuring accuracy

Reference condition

Water at 20ºC

 

 

 

Air at 20°C and 1.013 bar abs.

 

 

Accuracy

Based on volume flow

 

 

Liquids

±0.75% of measured value (Re 20000)

 

 

 

±2.0% of measured value (10000 < Re < 20000)

 

 

Gases and steams

±1.0% of measured value (Re 20000)

 

 

 

±2.0% of measured value (10000 < Re < 20000)

 

 

 

Pressure and temperature compensation: ±20000% of measured

 

value (Re 20000); ±10000% of measured value (20000 < Re < 20000)

Repeatability

±0.1% of measured value

 

 

Long-term stability

±0.01% of measured value

 

 

06/2009 - SFIDK.PS.050.F2.02 A5E02100423

www.siemens.com/flow

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Contents Page Imprint Contents Contents Technical data Devices are rated for the following flow velocities Safety InstructionsIntended use Devices are particularly suitable for the measurementCE marking CertificationsCopyright and data protection Safety instructions from the manufacturerDisclaimer Information concerning the documentation Product liability and warrantySafety warnings are indicated by the following symbols Safety instructions for the operatorFollowing designs are available as options Scope of deliveryInstrument versions Devices come in the following versionsSandwich version Devices with connection flangeFree air delivery measurement FAD optional Gross heat meter Dual seal Nameplate Transport StorageInstallation condtitions InstallationMeasurement of liquids Prohibited installationRecommended installations for measurement of liquids Measurement of vapours and gases Prohibited installationPreferred mounting position Pipelines with control valvePreferred mounting position Allen screws on connection housing Turning the connection housingTurn the display as follows Turning the displayHeat insulation Minimum inlet runs Inlet and outlet runsFlow straightener Minimum outlet runsGeneral installation notes InstallationInstalling devices in flange design Installing devices in sandwich design Electrical Connections Safety instructionsElectrical Connections Following procedures are to be performedMaximum load resistance is calculated as follows Electrical connection of current and pulse outputTotalizer / pulse output Power supplyMaximum frequency of the pulse output is fmax = 0.5 Hz Electrical ConnectionsGrounding connections Therefore it is essential to observe the following points Protection categoryStart START-UPStart-up and control Display and operating elements OperationFunctional description of the keys Switch from measuring mode to menu modeOperation Operating principlesNavigation within the menu structure Changing the settings in the menuChanging units Example Measures in the event of faulty indicationsTotalizer / pulse output Max. pulses per hourOverview of the most important functions and units Volume Standard volume Mass Liquids, steams, gases Air GasLevel Designation Explanation Temp Absolute Power Energy Density Pressure Over Volume Standard volume Mass Liquids, steams, gases GasError message Cause Measure Error messagesOverview of firmware versions Menu structureCharacter selection in change mode Entering values in change modeMenu item Quick Setup Level Designation Selection / entry Explanation Menu item TestsTest current is maintained until the menu has been exited Menu item Setup firmware version basic Hart SV Operation Menu item Setup firmware version steam Reset heat energy Hart tertiary variable Temp. ↑ Pressure ↑ Density Operation Menu item Setup firmware version gas Hart SV RPM Pressure, temperature and density Operation Following steps are to be performed Replacing signal converter / LCD displayReturning the device to the manufacturer ServiceAvailability of services Spare parts availabilityForm for copying to accompany a returned device Functional principle Technical DataMeasuring system Technical dataMeasuring accuracy Operating conditions Installation conditionsMaterials Electrical connections Process connectionsApprovals and certifications Flange versions Dimensions and weightsFlange version EN Technical Data NPS Flange version Asme B16.5Sandwich version EN Sandwich version Asme Size Pressure Dimensions inches Weight lbs RatingWith Without Pressure sensor Air Flow tablesMeasuring ranges WaterProduct Nominal sizes Minimum flow rates Maximum flow rates Flow rate limitsFt/s 1092-1 Measuring range saturated steam 1...7 barMeasuring range saturated steam 10.5...20 bar Kg/hMeasuring range saturated steam 150...300 psig Measuring range saturated steam 15...100 psigLbs/h Sitrans FX300