Siemens FX300 manual Technical data, Measuring system, Measuring accuracy

	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 67