The SIKA VVX is used for the flow measurement of water at low and medium measuring ranges. It is used, e.g, in heating technology. Behind a flowed-around bluff body, counter-rotating and mutually offset vortices arise. The vortices detach at the edges of the bluff body and form a Kármán vortex street in the flow. The distance between the individual vortices is constant. The frequency at which the vortices flow past a sensor depends on the flow velocity and is proportional to the flow rate. The sensor detects the vortices, which are converted into an electrical frequency signal.
- Highest stability and performance. Robust brass or stainless steel housing.
- No mechanical wear.
- Flow sensor without moving parts for water.
- Completely encapsulated piezoceramic sensor for vortex detection.
- No direct contact with the medium.
- QuickFasten - quickly and safely mountable plug connection (Poka Yoke).
- Tool-free assembly, positive-locking connection.
- Output signal: Frequency Push Pull or NPN, 4...20 mA, 0...10 V, IO-Link.
- Power supply: 8...30 V, 5 V, 12...24 V, 24 V DC.
- Nominal diameter: DN15, DN20, DN25.
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