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Vortex flowmeter – OPTISWIRL 4070 C
The OPTISWIRL 4070 C-type vortex flowmeter measures the flow rate of gases, vapors or liquids in pipes according to the Karman vortex principle. The built-in temperature sensor can display the temperature of the on-site medium; all application parameters can be set through the buttons, and the operation is simple; the integrated design of temperature, pressure and flow can provide online temperature and pressure compensation.
Features：
Built-in temperature sensor, which can display the field medium temperature
The integrated design of temperature, pressure and flow can provide online temperature and pressure compensation
Provide dual measurement system instrument to solve dual medium measurement
Used as a heat meter, can be used for heat measurement of steam
FAD instrument function, used to detect compressor performance indicators
Metal gasket seal, safe and reliable
Wafer versions are available with centering rings. Guaranteed installation quality
HART protocol
All application parameters can be set by key
Flow self-diagnosis function
The calculation software of KROHNE company in Germany guarantees accurate calculation
High measurement accuracy
No moving parts for easy maintenance
100% stress test, 100% product verification
Various technical certifications to ensure quality
Measurement principle：
Vortex flowmeters are used to measure the flow rates of gases, vapors and liquids in pipes. The measuring principle is based on the Karman vortex street. The measuring tube contains a generator behind which a vortex is created. The frequency f of the vortex street is proportional to the flow velocity v. The dimensionless Strouhal coefficient S describes the relationship between the frequency f(Hz) of the vortex street, the width b of the vortex street and the average velocity V(m/s):
f=S*v/b
in:
f: Vortex frequency
v: average flow velocity
S: Strouhal coefficient
b: width of vortex generating body
The sensor detects the frequency f and sends it to the signal converter for calculation, and the flow rate of the medium in the pipeline can be measured.
