Thread connections QuickFasten. vortex Flow sensors

Größe: px

Ab Seite anzeigen:

Download "Thread connections QuickFasten. vortex Flow sensors"

Birgit Küchler
vor 6 Jahren
Abrufe

1 JJ Thread connections JJ QuickFasten vortex Flow sensors DS_Vortex_Flow_Sensors /207 59

Vortex flow sensors Principle of operation Alternate vortices rotating in opposite directions are generated behind a bluff body immersed in a flow.

The frequency of the vortices flowing past a sensor depends on the flow rate and is proportional to the flow.

2 Vortex flow sensors Principle of operation Alternate vortices rotating in opposite directions are generated behind a bluff body immersed in a flow. The vortices detach from the edges of the bluff body and form a Kármán vortex street in the fluid stream. The distance between the single vortices is constant. The frequency of the vortices flowing past a sensor depends on the flow rate and is proportional to the flow. The sensor detects these vortices which are then converted to an electrical frequency signal. Some of the advantages of this measuring principle Minimal flow obstruction low pressure drop Wide range of applications in terms of pressure, temperature and density Independent of the conductivity of the medium High long-term stability / no zero drift Frequency signal Vortex street Sensor luff body 60

Advantages Solid state flow sensor for liquids with no moving parts no mechanical

performance Completely encapsulated piezoceramic sensor to detect the vortices

sensor integrated Output signals: an analogue voltage signal and / or frequency

3 Advantages Solid state flow sensor for liquids with no moving parts no mechanical wear Rugged glass fibre reinforced plastic ensures highest strength and performance Completely encapsulated piezoceramic sensor to detect the vortices thus no direct contact with the medium Wide measuring span (up to :2) Temperature sensor integrated Output signals: an analogue voltage signal and / or frequency signal is available for the flow, and a resistance or analogue signal is available for the temperature. High interference resistance Wetted parts metal-free Traceability by serial number Thread connection or QuickFasten Encapsulated piezoceramic sensor 6

Vortex flow sensors Series VVX Type VVX5 Type VVX20 Technical data VVX5 VVX20 VVX25 Nominal diameter DN 5 DN 20

O-rings G-ISO 228 male, incl. O-rings Inner diameter Ø 3 mm Ø 9 mm Ø 25 mm Flow range 2...40 l/min 5...80 l/min 7.

temperature ranges ambient Medium Water and aqueous solution Pressure rating PN 0 Degree of protection IP65***

..70 C Repeatability ± % Electrical data Electrical connection 5-pin plug connector M2 x Power supply 8.

4 Vortex flow sensors Series VVX Type VVX5 Type VVX20 Technical data VVX5 VVX20 VVX25 Nominal diameter DN 5 DN 20 DN 25 Process connection G¾-ISO 228 male, incl. O-rings QuickFasten or G ¼-ISO 228 male, incl. O-rings G-ISO 228 male, incl. O-rings Inner diameter Ø 3 mm Ø 9 mm Ø 25 mm Flow range l/min l/min l/min Accuracy ±2 % of range*, deviations with high viscous media Repeatability ±0,5 % or ± %, see temperature ranges ambient Medium Water and aqueous solution Pressure rating PN 0 Degree of protection IP65*** EN Temperature ranges Medium C, C** Ambient C Repeatability ±0,5 %, C Repeatability ± % Electrical data Electrical connection 5-pin plug connector M2 x Power supply V DC or 5 V DC (±5 %) or VDC**** Current consumption < 5 ma Approvals Option Recognized component ETL according to UL und CSA Standards 62

5 Three different versions available: Frequency output Analogue V and frequency output Analogue V or ma and frequency output Frequency output VVX5 VVX20 VVX25 Output signal flow Frequency signal, square wave, pulse duty ratio 50:50, signal current max. 20 ma Pulse rate 500 /l (optional /l) 200 /l (optional /l) 00 /l (optional /l) Output signal temperature Pt000 2 wire, class or NTC 0.74k, 0/ or none Analogue output VVX5 VVX20 VVX25 Output signal flow V Scaling l/min l/min l/min Voltage rate V V / l/min V / l/min V / l/min Output signal temperature ***** Voltage signal V corresponds to C or Pt000 2 wire, class or NTC 0.74k, 0/ or none Analogue output VVX5 VVX20 VVX25 Output signal flow V or ma Scaling l/min l/min l/min Voltage rate V Current rate ma V / l/min ma / l/min V / l/min ma / l/min V / l/min ma / l/min * Test conditions: Test medium water Media temperature C Inlet pressure bar Defined inlet and outlet pipes (see operating manual) *** With attached cable socket only **** Only available for output signal flow ma and V ** Temperature cycle test: -20 C / 70 C, 0 % rh, cycle time.5 h, temperature gradient approx. 2.5 K/min, hold time at -20 C and 70 C 0 min each, 90 cycles: no failures 63

6 Typical pressure drop VVX5 Pressure drop p [mbar] Flow rate Q [l/min] Typical pressure drop VVX20 Pressure drop p [mbar] Pressure drop p [mbar] Flow rate Q [l/min] Typical pressure drop VVX Flow rate Q [l/min] 64

7 VVX5 VVX20 threaded version M2x M2x 3 nut size 22 3 nut size G 3/4A G VVX20 QuickFasten VVX25 3 M2x 6 Poka Yoke nut size M2x n3,8 n44 G /4 A A A 3,5 00 Maßstab 2: VVX-0324K Maßstab 2: VVX-027K Materials in contact with media VVX5, VVX20, VVX25 ody / tube PPS Fortron 40 % glass fibre reinforced Sensor ETFE Tefzel O-rings EPDM 65

8 Version frequency output Order code Example VVXAS G A RRRP 54 Nominal diameter DN 5 DN 20 QuickFasten DN 20 G DN 25 Power supply V DC 5 V DC Output signal temperature Pt000 NTC 0.74K none VVXAS VVXC9S VVXC9S VVX2S G P A RRRP RRRN P Version analogue output ( V) and frequency output Order code Example VVXASNA U U 54 Nominal diameter DN 5 DN 20 QuickFasten DN 20 G DN 25 Output signal temperature V* Pt000* NTC 0.74K* none Power supply V DC 5 V DC VVXASNA VVXC9SN VVXC9SN VVX2SN U UC UC U2 U RP RN P Version analogue output (0...0 V or ma) and frequency output Order code Example VVXASNA V K00354 Nominal diameter DN 5 DN 20 QuickFasten DN 20 G DN 25 Output signal flow V ma VVXASGA VVXC9SG VVXC9SG VVX2SG V A K00354 N00352P N L

9 (Verwendungsbereich) (Zul. Abw.) (Oberfläche) Maßstab: (Gewicht) (Werkstoff, Halbzeug) Allgemein ISO 2768-m DIN ISO 302 (SIKA-Artikelnummer) Datum Name earb Graß Gepr Kuelper Norm Dr. Siebert & Kühn GmbH & Co KG Struthweg 7-9 a Toleranzen geä Kü Kaufungen Zust Änderung Datum Name (Urspr.:) (Ers. f.:) (Ers. d.:) latt l (Verwendungsbereich) (Zul. Abw.) (Oberfläche) Maßstab: (Gewicht) (Werkstoff, Halbzeug) Allgemein ISO 2768-m DIN ISO 302 (SIKA-Artikelnummer) Datum Name earb Graß Gepr Kuelper Norm Dr. Siebert & Kühn GmbH & Co KG Struthweg 7-9 a Toleranzen geä Kü Kaufungen Zust Änderung Datum Name (Urspr.:) (Ers. f.:) (Ers. d.:) latt l. Accessories Length Order code Connection cable with 5 pin cable socket M2 x, angle type molded lead 5 x 0.34 mm², sheathing material PVC (T max = 80 C)* Connection cable with 5 pin cable socket M2 x, molded lead 5 x 0.34 mm², sheathing material PVC, 4 pin Molex Microlade wire-to-board housing, (T max = 80 C) * Connection cable with UL approval on request Accessories VVX5 Screw coupling G½, brass Weitergabe sowie Vervielfältigung dieser Dokumente, Verwertung und Mitteilung ihres Inhalts sind verboten, soweit nicht ausdrücklich gestattet. Zuwiderhandlungen verpflichten zu Schadenersatz. Alle Rechte für den Fall der Patent-, Gebrauchsmuster- oder Geschmacksmustereintragung vorbehalten. SIKA Unternehmensgruppe, Kaufungen, Deutschland. Any unauthorized copying, disclosure or distribution of this document and its contents is strictly forbidden unless specifically authorised. Any violation will lead to indemnity. All rights reserved, particularly in the event of patent grant, registration of a utility model or design patent. SIKA Company Group, Kaufungen, Germany m 2 m 3 m 5 m 0 m XVVX040 XVVX05 XVVX039 XVVX04 XVVX042.5 m XVVX065 Order code** VVX007 Leitungslängen L (mm) Leitungstyp Art.Nr.: 000 PVC- Steuerleitung 4x0,25mm² (AWG24) PVC-Steuerleitung 4x0,25mm² (AWG24) XVVX065 Anschlussstecker M2x gerade Ausführung VVX-0489 Leitungslängen L (mm) Leitungstyp Art.Nr.: 000 PVC- Steuerleitung 4x0,25mm² (AWG24) PVC-Steuerleitung 4x0,25mm² (AWG24) XVVX065 Anschlussstecker M2x gerade Ausführung VVX-0489 Soldering coupling Ø 5 mm, brass VVX008 Accessories VVX20 O-ring for QuickFasten, EPDM Order code** XVVX06 Joint clip QuickFasten, stainless steel XVVX052 Screw coupling G, brass, compatibility type VVX02 Accessories VVX25 Screw coupling R, brass Order code** VVX003 Soldering coupling Ø 28 mm, brass VVX004 onding coupling Ø 25 mm, PVC VVX005 Screw coupling G, stainless steel.457 VVX006 Screw coupling G ¼, brass, compatibility type VVX022 ** Supplied piecewise 67

Ähnliche Dokumente

Vortex flow sensors. Series VVX. Type VVX20. Type VVX15

Vortex flow sensors. Series VVX. Type VVX20. Type VVX15 Vortex flow sensors Series VVX Type VVX5 Type VVX0 Technical data VVX5 VVX0 VVX5 Nominal pipe size ½ ¾ Process connection ½ NPT ¾ NPT or QuickFasten NPT Inner diameter 0.5 inch 0.75 inch inch Flow range