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- AARONIA AG
- ADASH
- Amptek
- AOiP
- Automatic Research
- AWSensors
- BASI
- BRS
- CALMET
- CHECKLINE
- Cmc
- CTRL
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- DV Power
- Dioxide Materials
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- EL-CELL
- Electrothermal
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- Enapter
- ENERGY SUPPORT
- Enervac
- FASTEC
- Gaskatel
- GE
- GIUSSANI
- Globecore
- GMW
- GREENLIGHT
- GRZ
- HIGH SENSE SOLUTIONSHTW
- HTW
- HUBER
- HVPD
- Ida
- Instytut Fotonowy
- IVIUM
- Jacomex
- Jenway
- JGG
- KEHUA TECH
- Labdex
- Labnics
- LIQUID
- METERTEST
- Metrel
- Microrad
- micrux
- TANDELTA
- ndb
- Neware
- Norecs
- Novocontrol
- OKOndt Group
- OZM
- Pine Research
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- Redoxme
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- Sonel
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- Zurich
Vortex flow sensors with threaded connection / Stainless steel version
型號：Type VVX32 - 40 VA- No mechanical wear. Flow sensor without moving parts for water.
- Completely encapsulated piezoceramic sensor for vortex detection. No direct contact with the medium.
- Highest stability and performance. Robust brass or stainless steel housing.
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The SIKA VVX is used for the flow measurement of water at medium and high measuring ranges.
It is used, e.g, in high-capacity heat pumps and industrial facilities.
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.
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Technische Daten VVX32 VVX40 Nennweite DN 32 DN 40 Prozessanschluss G 1½-ISO 228 außen, inkl. O-Ringen G 2-ISO 228 außen, inkl. O-Ringen Innendurchmesser [mm] Ø 32 Ø 40 Messmedium Wasser und wässrige Lösungen Nenndruck PN 16 Schutzart EN 60529
mit aufgesteckter KupplungsdoseIP65 und IP67 Durchflussmessung Messbereich [l/min] 12...250 22...400 Messgenauigkeit ±2 % vom Messbereichsendwert*, Abweichungen bei höherviskosen Medien Wiederholbarkeit ±1 % bei -20...5 °C Umgebungstemperatur
±0,5 % bei 5...70 °C UmgebungstemperaturTemperaturmessung Messbereich 0...90 °C Messgenauigkeit ±1 k Reaktionszeit
→t50
→t90ca. 1 s
ca. 3 sTemperaturbereiche Medium -20...90 °C Umgebung -20...70 °C Elektrische Daten Elektrischer Anschluss 5-poliger Rundstecker M12 x 1 Versorgungsspannung für Ausgangssignal
→Push Pull (optional NPN)
→NPN
→4...20 mA oder 0...10 V
8...30 V DC
5 V DC (±5 %)
12...24 V DC (±10 %)Stromaufnahme < 15 mA