FV70
Vortex Flowmeter
Integrated pressure and temperature compensation
- APPLICATION
- Monitoring of electricity
- gas and water treatment
- The oil and gas industry
- Electric power industry
- chemical industry
- metallurgy industry
- Paper packaging and paper industry
- Food and pharmaceutical industries
- Environmental protection project
- FUNCTIONAL CHARACTERISTICS
- Two wire instrument with integrated pressure and temperature compensation
- Wear free all welded stainless steel structure
- with high corrosion resistance
- pressure resistance and temperature resistance
- Plug and Play
- The measuring element adopts maintenance free design
- Communication protocol
- FF bus/Profibus
- Integrated internal reduction
- Pressure and temperature signals can be read out via HART
DESCRIBE
The measurement principle is based on the regular vortex in the downstream of the retaining body, i.e. "vortex street phenomenon", such as in the pier gap. Therefore, the retaining body in each vortex flowmeter is located in the center of the pipeline. When the flow rate reaches the specified value, a vortex is formed behind the retaining body, and the vortex is separated from the fluid and transmitted to the downstream pipeline.
The vortex frequency is proportional to the average velocity, that is, to the volume flow. The vortices separated from both sides of the retaining body alternately generate positive pressure and negative pressure. The capacitive sensor detects the pressure, generates electrical signals and converts them into digital linear signals for transmission to electronic components.
