Grundfos Direct Sensors

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1 GRUNDFOS DATA BOOKLET Grundfos Direct Sensors Vortex flow sensors

2 Grundfos Direct Sensors Table of contents 1. Vortex flow sensors 3 Introduction 3 2. Vortex flow sensor, industry (VFI) 4 VFI general data 4 VFI DN 18, technical data 6 VFI DN 25, technical data 7 VFI DN 32, technical data 8 VFI 2-40 DN 40, technical data 9 VFI DN 50, technical data 10 VFI DN 65, technical data 11 VFI DN 80, technical data 12 VFI DN 100, technical data Vortex flow sensor, standard 14 VFS general data 14 VFS 1-20, technical data 16 VFS 2-40, technical data 17 VFS 5-100, technical data 18 VFS , technical data 19 VFS , technical data 20 VFS 1-12 QT, technical data 21 VFS 1-15 QT, technical data 22 VFS 2-40 QT, technical data 23 VFS QT, technical data 24 VFS QT, technical data Product range 26 VFI sensor 26 VFS sensor 27 Sensor selection Accessories 28 Sensor interface, type SI 001 PSU 28 Sensor interface, type SI 010 CNV Appendix 29 Installation of VFI sensor 29 Minimum flow rate 30 Pressure drop curves Further product documentation 32 WebCAPS 32 WinCAPS 33 2

3 Grundfos Direct Sensors 1 1. Vortex flow sensors Introduction This data booklet comprises an overview of the Grundfos vortex flow sensor range and related products. Fig. 1 Grundfos vortex flow sensors The trademark Grundfos Direct Sensors is owned and controlled by the Grundfos group. The Grundfos vortex flow sensor is an integrated flow and temperature measurement system designed and validated for harsh aqueous environments. The flow measurement is based on the vortex principle. The system elements include a flow pipe with an integrated bluff body and a differential pressure detector. TM , TM & TM direction Fig. 2 Operating principle Bluff body Pipe The bluff body is designed to optimise the pulse strength of the pressure variations at the position of the differential pressure detector. The bluff body is an integrated part of the injection moulded flow pipe, or supplied as a composite insert solution. ranges are determined by the pipe diameter and the signal processing parameters. The differential pressure detector key elements are a bulk micromachined silicon chip and a microprocessor-based signal-conditioning circuit, both on the same PCB. The conditioning circuit converts the pressure reading to a signal proportional to the flow through the pipe. The electronics are protected by an IP44 composite housing. The chip has a square membrane, which deflects due to pressure. Strain gauges are incorporated in a Wheatstone bridge configuration on stress intensive positions on the membrane. The pressure and temperature sensitive area (the membrane region) is coated on both sides by an extremely corrosion and diffusion resistive thin film (Silicoat ). The coating provides direct environmental robustness of the chip. The separation of the media and media-free zones is provided by O-ring sealing. TM Vortex flow sensors Fig. 1 Bluff body inside a vortex flow sensor TM When a bluff body is placed in a flow inside a pipe, a series of vortices will be generated periodically on each side of the bluff body. These vortices propagate down stream giving rise to periodic pressure variations, which can be detected by the differential pressure detector. The frequency of the pressure variations is proportional to the volume flow through the pipe. 3

4 2 Grundfos Direct Sensors Vortex flow sensor, industry (VFI) 2. Vortex flow sensor, industry (VFI) VFI general data Vortex flow sensor, industry Fig. 3 VFI sensor Technical overview The VFI is the industrial version of the Grundfos vortex flowmeter range. The VFI is based on the principle of vortex shedding behind a bluff body. The VFI has no moving parts and is built into a stainless steel pipe. The rugged design allows the VFI to be used in a wide range of applications as a cost-effective and accurate flow sensor. The flow sensors are supplied with flanges or with threaded ends for use with union nuts. TM Features range from 0.3 to 240 m 3/ h based on the vortex principle compact and well-proven design approved for drinking water wide temperature range. Benefits No moving parts compatible with wet, aggressive media cost-effective and robust design system solution with Grundfos pumps. Approvals WRAS KTW ACS NSF 61. Markings + 75 CE c, CSA, us C-Tick Electrical connections TM Fig. 4 Bluff body in a VFI sensor 4 Applications Water treatment and distribution light chemical industry water management pool and water resorts heating air-conditioning cooling towers condensing units solar collectors. Fig. 5 Electrical connections PIN Wire colour Brown White Blue Black Output 4-20 ma + - Power supply: V (screened cable) Type: Loop-powered, 2-wire 3 TM

5 Grundfos Direct Sensors 2 Type key Type designation VFI m -1 -C -M X -FG6 -SG -30 F -A 1 Product group: VFI: Vortex flow sensor, industry Range: Unit: m: m 3 /h Generation: 1: 1st generation Electrical output type: C: 4-20 ma, 2-wire Sensor connector or cable type and cable connector in sensor end: M: M12x1, female straight, screened 4-wire cable Cable length5.000= 5 m Cable connector opposite sensor: X: Open-ended Sealing material and class: First letter: E: EPDM (drinking-water approved) F: FKM (for use in oily media) Second letter: G: Gel-filled Third letter: 6: IP67 Material: B: Brass C: Composite G: Cast iron Q: Stainless steel flow pipe with composite insert (QT) S: Stainless steel Dimension of mechanical connection: 30: DIN PN25/40 DN18/25/32, ANSI B16.5 Class 300-1¼" Mechanical connection type: F: Flange Packaging: A: Set with pre-assembled components 1: 1 piece Vortex flow sensor, industry (VFI) 5

6 2 Grundfos Direct Sensors Vortex flow sensor, industry (VFI) VFI DN 18, technical data Vortex flow sensor, industry, m³/h Fig. 6 Fig. 7 VFI sensor VFI sensor with flanges Flange material Flange Cast iron DN 25/32 (PN 40) A B C Flanges are compatible with DN 25/32 flanges sizes. D TM / TM TM Weight [kg] Stainless steel 4.44 Measuring range m³/h* Accuracy (±1σ), C ± 1.5 % FS* Response time < 1 s m³/h Liquid types See appendix Minimum flow rate Liquid max. pressure 28 bar Liquid temperature C, non-freezing Liquid temperature C, non-freezing C Storage temperature C 0-95 % RH, non-condensing 60 bar Power supply VDC (± 5 %) - cut off 4-20 ma 21 ma Max. 660 mw Max. 60 Ω at 12.5 VDC Max. 100 Ω at 13.3 VDC Max. 600 Ω at 24 VDC Max. 900 Ω at 30 VDC Measurement element Packing material EPDM or FKM rubber Sensor housing Stainless steel pipe Stainless steel Bluff body Stainless steel Corrosion-resistant coating EPDM or FKM rubber Stainless steel /04/08 IP Hz, 10G, 4h *Reference condition: - Liquids at 20 C, 1013 mbar, ρ = 998 kg/m 3, v = 1 x 10-6 m 2 /s TM ma Signal cut off Fig. 8 VFI sensor with thread Material Thread size A B C Weight [kg] Stainless steel G1 1/4" The VFI sensor with threaded ends must be mounted with union nuts. 4 ma Qmin Qmax TM Fig. 9 response 6

7 Grundfos Direct Sensors 2 VFI DN 25, technical data Vortex flow sensor, industry, m³/h Fig. 10 VFI sensor Fig. 11 VFI sensor with flanges Flange material Flange size A B C Flanges are compatible with DN 25/32 flanges sizes. D TM / TM TM Weight [kg] 4.52 Cast iron DN 25/ Stainless steel (PN 40) 4.58 Measuring range m³/h* Accuracy (±1σ), C ± 1.5 % FS* Response time < 1 s m³/h Liquid types See appendix Minimum flow rate Liquid max. pressure 28 bar Liquid temperature C, non-freezing Liquid temperature C, non-freezing C Storage temperature C 0-95 % RH, non-condensing 60 bar Power supply VDC (± 5 %) - cut off 4-20 ma 21 ma Max. 660 mw Max. 60 Ω at 12.5 VDC Max. 100 Ω at 13.3 VDC Max. 600 Ω at 24 VDC Max. 900 Ω at 30 VDC Measurement element Packing material EPDM or FKM rubber Sensor housing Stainless steel pipe Stainless steel Bluff body Stainless steel Corrosion-resistant coating EPDM or FKM rubber Stainless steel /04/08 IP Hz, 10G, 4h Vortex flow sensor, industry (VFI) Fig. 12 VFI sensor with thread TM *Reference condition: - Liquids at 20 C, 1013 mbar, ρ = 998 kg/m 3, v = 1 x 10-6 m 2 /s 21 ma Signal cut off Material Thread size A B C Weight [kg] Stainless steel G1 1/4" The VFI sensor with threaded ends must be mounted with union nuts. 4 ma Qmin Qmax TM Fig. 13 response 7

8 2 Grundfos Direct Sensors Vortex flow sensor, industry (VFI) VFI DN 32, technical data Vortex flow sensor, industry, m³/h Fig. 14 VFI sensor Fig. 15 VFI sensor with flanges Flange material Flange size A B C Flanges are compatible with DN 25/32 flanges sizes. D TM / TM TM Weight [kg] 4.47 Cast iron DN 25/ Stainless steel (PN 40) 4.53 Measuring range m³/h* Accuracy (±1σ), C ± 1.5 % FS* Response time < 1 s m³/h Liquid types See appendix Minimum flow rate Liquid max. pressure 28 bar Liquid temperature C, non-freezing Liquid temperature C, non-freezing C Storage temperature C 0-95 % RH, non-condensing 60 bar Power supply VDC (± 5 %) - cut off 4-20 ma 21 ma Max. 660 mw Max. 60 Ω at 12.5 VDC Max. 100 Ω at 13.3 VDC Max. 600 Ω at 24 VDC Max. 900 Ω at 30 VDC Measurement element Packing material EPDM or FKM rubber Sensor housing Stainless steel pipe stainless steel Bluff body stainless steel Corrosion-resistant coating EPDM or FKM rubber Stainless steel /04/08 IP Hz, 10G, 4h Fig. 16 VFI sensor with thread TM *Reference condition: - Liquids at 20 C, 1013 mbar, ρ = 998 kg/m 3, v = 1 x 10-6 m 2 /s 21 ma Signal cut off Matreial Thread size A B C Weight [kg] Stainless steel G 1 1/2" The VFI sensor with threaded ends must be mounted with union nuts. 4 ma Qmin Qmax TM Fig. 17 response 8

9 Grundfos Direct Sensors 2 VFI 2-40 DN 40, technical data Vortex flow sensor, industry, 2-40 m³/h Fig. 18 VFI 2-40 sensor Fig. 19 VFI sensor with flanges Flange material Flange size A B C Flanges are compatible with DN 40 flanges sizes. D TM TM Weight [kg] 5.58 Cast iron DN Stainless steel (PN 40) 6.45 Measuring range 2-40 m³/h* Accuracy (±1σ), C ± 1.5 % FS* Response time < 1 s 0.05 m³/h Liquid types See appendix Minimum flow rate Liquid max. pressure 28 bar Liquid temperature C, non-freezing Liquid temperature C, non-freezing C Storage temperature C 0-95 % RH, non-condensing 60 bar Power supply VDC (± 5 %) - cut off 4-20 ma 21 ma Max. 660 mw Max. 60 Ω at 12.5 VDC Max. 100 Ω at 13.3 VDC Max. 600 Ω at 24 VDC Max. 900 Ω at 30 VDC Measurement element Packing material EPDM or FKM rubber Sensor housing Stainless steel pipe Stainless steel Bluff body Stainless steel Corrosion-resistant coating EPDM or FKM rubber Stainless steel /04/08 IP Hz, 10G, 4h Vortex flow sensor, industry (VFI) *Reference condition: - Liquids at 20 C, 1013 mbar, ρ = 998 kg/m 3, v = 1 x 10-6 m 2 /s 21 ma Signal cut off 4 ma Qmin Qmax TM Fig. 20 response 9

10 2 Grundfos Direct Sensors Vortex flow sensor, industry (VFI) VFI DN 50, technical data Vortex flow sensor, industry, m³/h Fig. 21 VFI sensor Fig. 22 VFI sensor with flanges Flange material Flange size A B C Flanges are compatible with DN 50 flanges sizes. D TM TM Weight [kg] 6.94 Cast iron DN Stainless steel (PN 40) 5.94 Measuring range m³/h* Accuracy (±1σ), C ± 1.5 % FS* Response time < 1 s 0.08 m³/h Liquid types See appendix Minimum flow rate Liquid max. pressure 28 bar Liquid temperature C, non-freezing Liquid temperature C, non-freezing C Storage temperature C 0-95 % RH, non-condensing 60 bar Power supply VDC (± 5 %) - cut off 4-20 ma 21 ma Max. 660 mw Max. 60 Ω at 12.5 VDC Max. 100 Ω at 13.3 VDC Max. 600 Ω at 24 VDC Max. 900 Ω at 30 VDC Measurement element Packing material EPDM or FKM rubber Sensor housing Stainless steel pipe Stainless steel Bluff body Stainless steel Corrosion-resistant coating EPDM or FKM rubber Stainless steel /04/08 IP Hz, 10G, 4h *Reference condition: - Liquids at 20 C, 1013 mbar, ρ = 998 kg/m 3, v = 1 x 10-6 m 2 /s 21 ma Signal cut off 4 ma Qmin Qmax TM Fig. 23 response 10

11 Grundfos Direct Sensors 2 VFI DN 65, technical data Vortex flow sensor, industry, m³/h Fig. 24 VFI sensor Fig. 25 VFI sensor with flanges Flange material Flange size A B C Flanges are compatible with DN 65 flanges sizes. D TM TM Weight [kg] 9.31 Cast iron DN Stainless steel (PN 40) 9.9 Measuring range m³/h* Accuracy (±1σ), C ± 1.5 % FS* Response time < 1 s 0.13 m³/h Liquid types See appendix Minimum flow rate Liquid max. pressure 28 bar Liquid temperature C, non-freezing Liquid temperature C, non-freezing C Storage temperature C 0-95 % RH, non-condensing 60 bar Power supply VDC (± 5 %) - cut off 4-20 ma 21 ma Max. 660 mw Max. 60 Ω at 12.5 VDC Max. 100 Ω at 13.3 VDC Max. 600 Ω at 24 VDC Max. 900 Ω at 30 VDC Measurement element Packing material EPDM or FKM rubber Sensor housing Stainless steel pipe Stainless steel Bluff body Stainless steel Corrosion-resistant coating EPDM or FKM rubber Stainless steel /04/08 IP Hz, 10G, 4h Vortex flow sensor, industry (VFI) *Reference condition: - Liquids at 20 C, 1013 mbar, ρ = 998 kg/m 3, v = 1 x 10-6 m 2 /s 21 ma Signal cut off 4 ma Qmin Qmax TM Fig. 26 response 11

12 2 Grundfos Direct Sensors Vortex flow sensor, industry (VFI) VFI DN 80, technical data Vortex flow sensor, industry, m³/h Fig. 27 VFI sensor Fig. 28 VFI sensor with flanges Flange material Cast iron Flange size DN80 (PN40) A B C Flanges are compatible with DN 80 flanges sizes. D TM TM Weight [kg] 11, Stainless steel 16 Measuring range m³/h* Accuracy (±1σ), C ± 1.5 % FS* Response time < 1 s 0.2 m³/h Liquid types See appendix Minimum flow rate Liquid max. pressure 28 bar Liquid temperature C, non-freezing Liquid temperature C, non-freezing C Storage temperature C 0-95 % RH, non-condensing 60 bar Power supply VDC (± 5 %) - cut off 4-20 ma 21 ma Max. 660 mw Max. 60 Ω at 12.5 VDC Max. 100 Ω at 13.3 VDC Max. 600 Ω at 24 VDC Max. 900 Ω at 30 VDC Measurement element Packing material EPDM or FKM rubber Sensor housing Stainless steel pipe Stainless steel Bluff body Stainless steel Corrosion-resistant coating EPDM or FKM rubber Stainless steel /04/08 IP Hz, 10G, 4h *Reference condition: - Liquids at 20 C, 1013 mbar, ρ = 998 kg/m 3, v = 1 x 10-6 m 2 /s 21 ma Signal cut off 4 ma Qmin Qmax TM Fig. 29 response 12

13 Grundfos Direct Sensors 2 VFI DN 100, technical data Vortex flow sensor, industry, m³/h Fig. 30 VFI sensor Fig. 31 VFI sensor with flanges Flange material Flange size A B C Flanges are compatible with DN 100 flanges sizes. D TM TM Weight [kg] Cast iron DN Stainless steel (PN 16) Measuring range m³/h* Accuracy (±1σ), C ± 1.5 % FS* Response time < 1 s 0.30 m³/h Liquid types See appendix Minimum flow rate Liquid max. pressure 16 bar Liquid temperature C, non-freezing Liquid temperature C, non-freezing C Storage temperature C 0-95 % RH, non-condensing 60 bar Power supply VDC (± 5 %) - cut off 4-20 ma 21 ma Max. 660 mw Max. 60 Ω at 12.5 VDC Max. 100 Ω at 13.3 VDC Max. 600 Ω at 24 VDC Max. 900 Ω at 30 VDC Measurement element Packing material EPDM or FKM rubber Sensor housing Stainless steel pipe Stainless steel Bluff body Stainless steel Corrosion-resistant coating EPDM or FKM rubber Stainless steel /04/08 IP Hz, 10G, 4h Vortex flow sensor, industry (VFI) *Reference condition: - Liquids at 20 C, 1013 mbar, ρ = 998 kg/m 3, v = 1 x 10-6 m 2 /s 21 ma Signal cut off 4 ma Qmin Qmax TM Fig. 32 response 13

14 3 Grundfos Direct Sensors Vortex flow sensor, standard 3. Vortex flow sensor, standard VFS general data Vortex flow sensor, standard TM Type key Product number Version Production year and week Consecutive number 96xxxxxx - XX - XXXX XXXXX For more information. see Electrical connections Fig. 33 VFS and VFS QT Sensors Technical overview Grundfos Direct Sensors, type VFS, is a series of combined flow- and temperature sensors (two-in-one) based on the principle of vortex shedding behind a bluff body. The VFS sensors are designed for high-volume production and are fully compatible with wet, aggressive media. The VFS sensor utilises MEMS sensing technology in combination with a novel packaging concept using corrosion-resistant coating on the MEMS sensor element. This makes the VFS sensor very robust and ideal for high-volume OEM applications. Applications Thermal management in solar heating systems industrial process flow control flow rate detection for pump controls monitoring of pumps, valves and filters temperature control domestic hot-water systems heat metering indication (solar heat pumps). Features ranges: 1-12, 1-15, , 2-40, 5-100, and l/min. designed to operate in glycol mixture based on vortex shedding voltage output (ratiometric, ideal for use with microprocessor and PLC) compact and robust design approved for drinking water: WRAS, KTW, W270, ACS SiliCoat technology. Benefits No moving parts flow- and temperature sensor in one package (two-in-one sensor) quick temperature response (direct media contact) compatible with wet, aggressive media cost-effective and robust construction. Temperature signal signal Fig. 34 Electrical connections V 1 V 2 PE 3 Pin configuration Colour 1 Temperature signal (0.5 to 3.5 V relative to pin 3) Yellow 2 signal (0.5 to 3.5 V relative to pin 3) White 3 GND (0 V), PELV Green 4 Power supply (+ 5 V DC) Brown Power supply requirements 5 VDC ±5% max. 10 mv ripple, 50 Hz min. output current 10 ma separated from hazardous live circuitry by double or reinforced insulation power limitation: 150 VA; current limitation: 8 A. Directives The Grundfos Vortex flow sensors are in conformity with these Council directives on the approximation of the laws of the EC member states: Low Voltage Directive (2006/95/EC) Standards used: EN :2001 EMC Directive (2004/108/EC) Standards used: EN :2006 and :2006 The Grundfos Vortex flow sensors fall under Article 3, 3 of PED Directive 97/23/EEC and are therefore not required to be CE-marked according to this directive. 4 Electrical connector Pin No Pipe system TM

15 Grundfos Direct Sensors 3 VFS Sensors Sensor and cable connection Vortex flow sensor, standard Fig. 37 Sensor and cable TM Fig. 35 VFS family TM VFS flow sensors consist of a composite flow pipe and a sensor with cable. The VFS are available in 1-20, 2-40, 5-100, , l/min versions. VFS QT sensors Fig. 36 VFS QT family TM VFS QT flow sensors consist of a composite insert, a stainless steel outer pipe and a sensor with cable. The VFS QT are availiable in 1-12, 1-15, 2-40, 5-100, l/min versions. 15

16 3 Grundfos Direct Sensors Vortex flow sensor, standard VFS 1-20, technical data Vortex flow sensor, standard, 1-20 l/min TM Temperature output signal (V) Temperature ( C) Fig. 42 Temperature response TM Fig. 38 VFS 1-20 sensor Measuring range: In water (0-100 C) Tyfocor LS ( C) Accuracy: In water (±1σ), (0-100 C) Tyfocor LS (±1σ), (0-100 C) Response time (63.2 %) l/min l/min ±1.5 % FS ± 5 % FS (typical ±3% FS) < 1s 0.1 l/min Temperature TM Measuring range C Accuracy (±1σ), C ±1 C Accuracy (±1σ), C ±2 C Response time (63.2 % at 50 % FS flow) 250 ms 0.35 C Fig. 39 Dimensional sketches of sensing element Media types The sensor is compatible with liquids (kinematic viscosity 2 mm 2 /s) Fig. 40 Dimensional sketch of flow pipe TM Media temperature Water: C Tyfocor LS: C 25 C, non-freezing Media temperature (peak) 120 C for 5 minutes, up to 3 weeks in sensor lifetime (peak) C 0-95 % (relative), non-condensing > 16 bar Power supply 5 V DC (± 5 %). Grounding of the sensor supply is recommended (PELV) Ratiometric signal V (Zero at 0.35 V) Temperature signal V < 50 mw > 10 kω output signal (V) (l/min) TM Seal (sensor to housing) EPDM rubber Housing Composites (PPS, PA66) pipe PPA 40-GF Corrosion-resistant coating, EPDM, PPS, PPA 40-GF IP44 (Not overmoulded IP20) Hz, 10G, 4h Fig. 41 response 47 x 40 x 20 mm, see drawing pipe 82 x 39 x 25 mm 16

17 Grundfos Direct Sensors 3 VFS 2-40, technical data Vortex flow sensor, standard, 2-40 l/min TM Temperature output signal (V) Temperature ( C) Fig. 47 Temperature response TM Vortex flow sensor, standard Fig. 43 VFS 2-40 sensor Measuring range: In water (0-100 C) Tyfocor LS ( C) Accuracy: In water (±1σ), (0-100 C) Tyfocor LS (±1σ), (0-100 C) Response time (63.2 %) 2-40 l/min 2-40 l/min ±1.5 % FS ± 5 % FS (typical ±3% FS) < 1 s 0.2 l/min Temperature TM Measuring range C Accuracy (±1σ), C ±1 C Accuracy (±1σ), C ±2 C Response time (63.2 % at 50 % FS flow) 250 ms 0.35 C Fig. 44 Dimensional sketches of sensing element Media types The sensor is compatible with liquids (kinematic viscosity 2 mm 2 /s) Fig. 45 Dimensional sketch of flow pipe TM Media temperature Media temperature (peak) (peak) Power supply Water: C Tyfocor LS: C 25 C, non-freezing 120 C for 5 minutes, up to 3 weeks in sensor lifetime C 0-95 % (relative), non-condensing > 16 bar 5 V DC (± 5 %). Grounding of the sensor supply is required (PELV) Ratiometric signal V (Zero at 0.35 V) Temperature signal V < 50 mw > 10 kω output signal (V) (l/min) Fig. 46 response TM Seal (sensor to housing) EPDM rubber Housing Composites (PPS, PA66) pipe PPA 40-GF Corrosion-resistant coating, EPDM, PPS, PPA 40-GF IP44 (Non overmoulded IP20) Hz, 10G, 4h 47 x 40 x 20 mm, see drawing pipe 88 x 39 x 25 mm 17

18 3 Grundfos Direct Sensors Vortex flow sensor, standard VFS 5-100, technical data Vortex flow sensor, standard, l/min TM Temperature output signal (V) Temperature ( C) Fig. 52 Temperature response TM Fig. 48 VFS sensor Measuring range: In water (0-100 C) Tyfocor LS ( C) Accuracy: In water (±1σ), (0-100 C) Tyfocor LS (±1σ), (0-100 C) Response time (63.2 %) l/min l/min ±1.5 % FS ± 5 % FS (typical ±3% FS) < 1 s 0.5 l/min Temperature TM Measuring range C Accuracy (±1σ), C ±1 C Accuracy (±1σ), C ±2 C Response time (63.2 % at 50 % FS flow) 250 ms 0.35 C Fig. 49 Dimensional sketches of sensing element Media types The sensor is compatible with liquids (kinematic viscosity 2 mm 2 /s) 2xISO 228/1-G 1A Fig. 50 Dimensional sketch of flow pipe TM Media temperature Media temperature (peak) (peak) Power supply Water: C Tyfocor LS: C 25 C, non-freezing 120 C for 5 minutes, up to 3 weeks in sensor lifetime C 0-95 % (relative), non-condensing > 16 bar 5 V DC (±5 %). Grounding of the sensor supply is required (PELV) Ratiometric signal V (Zero at 0.35 V) Temperature signal V < 50 mw > 10 kω output signal (V) (l/min) Fig. 51 response TM Seal (sensor to housing) EPDM rubber Housing Composites (PPS, PA66) pipe PPA 40-GF Corrosion-resistant coating, EPDM, PPS, PPA 40-GF IP44 (Non overmoulded IP20) Hz, 10G, 4h 47 x 40 x 20 mm, see drawing pipe 129 x 37 x 32 mm 18

19 Grundfos Direct Sensors 3 VFS , technical data Vortex flow sensor, standard, l/min Fig. 53 VFS sensor TM Temperature output signal (V) Fig. 57 Temperature response Measuring range: In water (0-100 C) Tyfocor LS ( C) Accuracy: In water (±1σ), (0-100 C) Tyfocor LS (±1σ), (0-100 C) Temperature ( C) l/min l/min ±1.5 % FS ± 5 % FS (typical ±3% FS) TM Vortex flow sensor, standard Response time (63.2 %) < 1.0 s 1.0 l/min Temperature Fig. 54 Dimensional sketches of sensing element 2xISO 228/1-G 1¼ A TM Measuring range C Accuracy (± 1σ), C ± 1 C Accuracy (± 1σ), C ± 2 C Response time (63.2 %) 250 ms 0.35 C Media types The sensor is compatible with liquids (kinematic viscosity 2 mm 2 /s) Media temperature Water: C Tyfocor LS: C 25 C, non-freezing Media temperature (peak) 120 C for 5 minutes, up to 3 weeks in sensor lifetime (peak) C 0-95 % RH, non-condensing > 16 bar Fig. 55 Dimensional sketch of flow pipe TM Power supply 5 VDC (± 5 %). Grounding of the sensor supply is required (PELV) Ratiometric signal V (Zero at 0.35 V) Temperature signal V < 50 mw > 10 kω Seal (sensor to housing) EPDM rubber Housing Composites (PPS, PA66) output signal (V) (l/min) Fig. 56 response TM pipe PPA 40-GF Corrosion-resistant coating, EPDM, PPS, PPA 40-GF IP44 (Non overmoulded IP20) Hz, 10G, 4h 47 x 40 x 20 mm, see drawings pipe 137 x 45 x 41 mm 19

20 3 Grundfos Direct Sensors Vortex flow sensor, standard VFS , technical data Vortex flow sensor, standard, l/min Fig. 58 VFS sensor TM Temperature output signal (V) Fig. 62 Temperature response Measuring range: In water (0-100 C) Tyfocor LS ( C) Accuracy: In water (±1σ), (0-100 C) Tyfocor LS (±1σ), (0-100 C) Response time (63.2 %) Temperature ( C) l/min l/min ±1.5 % FS ± 5 % FS (typical ±3% FS) < 1.0 s 2.0 l/min TM Temperature TM Measuring range C Accuracy (± 1σ), C ± 1 C Accuracy (± 1σ), C ± 2 C Response time (63.2 % at 50 % FS flow) 250 ms 0.35 C Fig. 59 Dimensional sketches of sensing element 2xISO 228/1-G 1½ Fig. 60 Dimensional sketch of flow pipe TM Media types The sensor is compatible with liquids (kinematic viscosity 2 mm 2 /s) Media temperature Water: C Tyfocor LS: C 25 C, non-freezing Media temperature (peak) 120 C for 5 minutes, up to 3 weeks in sensor lifetime (peak) C 0-95 % RH, non-condensing > 16 bar Power supply 5 VDC (± 5 %). Grounding of the sensor supply is required (PELV) Ratiometric signal V (Zero at 0.35 V) Temperature signal V < 50 mw > 10 kω output signal (V) (l/min) TM Seal (sensor to housing) EPDM rubber Housing Composites (PPS, PA66) pipe PPA 40-GF Corrosion-resistant coating, EPDM, PPS, PPA 40-GF IP44 (Non-overmoulded IP20) Hz, 10G, 4h Fig. 61 response pipe 47 x 40 x 20 mm, see drawings 180 x 54 x 48 mm 20

21 Grundfos Direct Sensors 3 VFS 1-12 QT, technical data Vortex flow sensor, standard, 1-12 l/min Fig. 63 VFS 1-12 sensor TM Temperature output signal (V) Temperature ( C) Fig. 66 Temperature response TM Vortex flow sensor, standard Fig. 64 Dimensional sketches of VFS QT output signal (V) (l/min) Fig. 65 response TM TM TM Measuring range: In water (0-100 C) Tyfocor LS ( C) Accuracy: In water (±1σ), (0-100 C) Tyfocor LS (±1σ), (0-100 C) Response time (63.2 %) Temperature 1-12 l/min 1-12 l/min ± 1.5 % FS ± 5.0 % FS (typical 3%) < 3 sec l/min Measuring range C Accuracy (±1σ), C ± 1 C Accuracy (±1σ), C ± 2 C Response time (63.2 % at 50 % FS flow) 250 ms 0.35 C Media types The sensor is compatible with liquids (kinematic viscosity 4 mm 2 /s) Media temperature Water: C Tyfocor LS: C 25 C, non-freezing Media temperature (peak) 120 C for 5 minutes, up to 3 weeks in sensor lifetime (peak) C 0-95 % (relative), non-condensing > 16 bar Power supply 5 V DC (± 5 %). Grounding of the sensor supply is required (PELV) Ratiometric signal V (Zero at 0.25 V) Temperature signal V < 50 mw > 10 kω Seal (sensor to housing) EPDM rubber Housing Composites (PPS, PA66) Vortex tube Insert PPA 40 GF Corrosion-resistant coating EPDM, PPS, PPA 40-GF, IP44 (Non overmoulded IP20) Hz, 10G, 4h 47 x 40 x 20 mm, see drawing Vortex tube 110 x 29.8 x 31.5 mm Insert 63.9 x 16 x 15.4 mm 21

22 3 Grundfos Direct Sensors Vortex flow sensor, standard VFS 1-15 QT, technical data Vortex flow sensor, standard, 1-15 l/min Fig. 67 VFS 1-15 sensor TM Temperature output signal (V) Temperature ( C) Fig. 70 Temperature response TM Measuring range: In water (0-100 C) Tyfocor LS ( C) Accuracy: In water (±1σ), (0-100 C) Tyfocor LS (±1σ), (0-100 C) Response time (63.2 %) 1-15 l/min 1-15 l/min ± 1.5 % FS ± 5.0 % FS (typical 3%) < 1 sec l/min Temperature TM Measuring range C Accuracy (±1σ), C ± 1 C Accuracy (±1σ), C ± 2 C Response time (63.2 % at 50 % FS flow) 250 ms 0.35 C TM Media types The sensor is compatible with liquids (kinematic viscosity 2 mm 2 /s) Media temperature Water: C Tyfocor LS: C 25 C, non-freezing Media temperature (peak) 120 C for 5 minutes, up to 3 weeks in sensor lifetime (peak) C 0-95 % (relative), non-condensing > 16 bar Fig. 68 Dimensional sketches of VFS QT output signal (V) (l/min) Fig. 69 response 15 TM Power supply 5 V DC (± 5 %). Grounding of the sensor supply is required (PELV) Ratiometric signal V (Zero at 0.25 V) Temperature signal V < 50 mw > 10 kω Seal (sensor to housing) EPDM rubber Housing Composites (PPS, PA66) Vortex tube Insert PPA 40 GF Corrosion-resistant coating EPDM, PPS, PPA 40-GF, IP44 (Non overmoulded IP20) Hz, 10G, 4h Vortex tube Insert 47 x 40 x 20 mm, see drawing 110 x 29.8 x 31.5 mm 63.9 x 16 x 15.4 mm 22

23 Grundfos Direct Sensors 3 VFS 2-40 QT, technical data Vortex flow sensor, standard, 2-40 l/min TM Temperature output signal (V) Fig. 74 Temperature response Temperature ( C) TM Vortex flow sensor, standard Fig. 71 VFS 2-40 sensor Measuring range: In water (0-100 C) Tyfocor LS ( C) Accuracy: In water (±1σ), (0-100 C) Tyfocor LS (±1σ), (0-100 C) 2-40 l/min ± 1.5 % FS ± 5.0 % FS (typical 3%) Response time (63.2 %) < 1 sec. 0.2 l/min Temperature Fig. 72 Dimensional sketches of VFS QT TM TM Measuring range C Accuracy (±1σ), C ±1 C Accuracy (±1σ), C ±2 C Response time (63.2 % at 50 % FS flow) 250 ms 0.35 C Media types The sensor is compatible with liquids (kinematic viscosity 2 mm²/s). Media temperature Water: C Tyfocor LS: C 25 C, non-freezing Media temperature (peak) 120 C for 5 minutes, up to 3 weeks in sensor lifetime (peak) C 0-95 % (relative), non-condensing > 16 bar Power supply 5 V DC (±5 %). Grounding of the sensor supply is required (PELV) Ratiometric signal V (zero at 0.35 V) Temperature signal V < 50 mw > 10 kω output signal (V) (l/min) TM Seal (sensor to housing) EPDM rubber Housing Composites (PPS, PA66) Vortex tube Insert PPA 40 GF Corrosion-resistant coating, EPDM, PPS, PPA 40-GF, IP44 (Non overmoulded IP20) Hz, 10G, 4h Fig. 73 response 47 x 40 x 20 mm, see drawing Vortex tube 110 x 29.8 x 31.5 mm Insert 63.9 x 16 x 15.4 mm 23

24 3 Grundfos Direct Sensors Vortex flow sensor, standard VFS QT, technical data Vortex flow sensor, standard, l/min Fig. 75 VFS sensor TM TM Measuring range: In water (0-100 C) Tyfocor LS ( C) Accuracy: In water (±1σ), (0-100 C) Tyfocor LS (±1σ), (0-100 C) Response time (63.2 %) Temperature l/min ± 1.5 % FS ± 5.0 % FS (typical 3%) < 1 s 0.5 l/min Measuring range C Accuracy (±1σ), C ±1 C Accuracy (±1σ), C ±2 C Response time (63.2 % at 50 % FS flow) 250 ms 0.35 C Media types The sensor is compatible with liquids (kinematic viscosity 2 mm 2 /s) Media temperature Water: C Tyfocor LS: C 25 C, non-freezing Media temperature (peak) 120 C for 5 minutes, up to 3 weeks in sensor lifetime (peak) C 0-95 % (relative), non-condensing > 16 bar Power supply 5 V DC (±5 %). Grounding of the sensor supply is required (PELV) Ratiometric Fig. 76 Dimensional sketches of VFS QT signal V (Zero at 0.35 V) Temperature signal V < 50 mw > 10 kω output signal (V) (l/min) TM Seal (sensor to housing) EPDM rubber Vortex tube Insert PPA 40-GF Corrosion-resistant coating, EPDM, PPS, PPA 40-GF, IP44 (Non overmoulded IP20) Hz, 10G, 4h Fig. 77 response Vortex tube 47 x 40 x 20 mm, see drawing 129 x 37 x 32 mm Insert 99.2 x 23.4x 21.9 mm Temperature output signal (V) Temperature ( C) TM Fig. 78 Temperature response 24

25 Grundfos Direct Sensors 3 VFS QT, technical data Vortex flow sensor, standard, l/min Fig. 79 VFS sensor TM TM Measuring range: In water (0-100 C) Tyfocor LS ( C) Accuracy: In water (±1σ), (0-100 C) Tyfocor LS (±1σ), (0-100 C) Response time (63.2 %) Temperature l/min ± 1.5 % FS ± 5.0 % FS (typical 3%) < 1.0 s 1.0 l/min Measuring range C Accuracy (± 1σ), C ± 1 C Accuracy (± 1σ), C ± 2 C Response time (63.2 % at 50 % FS flow) 250 ms 0.35 C Media types The sensor is compatible with liquids (kinematic viscosity 2 mm 2 /s) Media temperature Water: C Tyfocor LS: C 25 C, non-freezing Media temperature (peak) 120 C for 5 minutes, up to 3 weeks in sensor lifetime (peak) C 0-95 % RH, non-condensing > 16 bar Power supply 5 VDC (± 5 %). Grounding of the sensor supply is required (PELV) Ratiometric Vortex flow sensor, standard Fig. 80 Dimensional sketches of VFS QT signal V (Zero at 0.35 V) Temperature signal V < 50 mw > 10 kω output signal (V) (l/min) TM Seal (sensor to housing) EPDM rubber Vortex tube Insert PPA 40-GF Corrosion-resistant coating, EPDM, PPS, PPA 40-GF, IP44 (Non overmoulded IP20) Hz, 10G, 4h Fig. 81 response Vortex tube 47 x 40 x 20 mm, see drawings 137 x 45 x 41 mm Insert x 30.4 x 28.9 mm Temperature output signal (V) Temperature ( C) TM Fig. 82 Temperature response 25

26 4 Grundfos Direct Sensors Product range 4. Product range VFI sensor Scope of delivery: Sensor tube with sensor flanges (only for flange versions) union nuts (for threaded versions) 5 m cable with M12 connection in one end quick guide. Complete product range Pipe size EPDM O-ring FKM Cast iron flange Connection type Stainless steel flange Thread Product number VFI m-1-C-M5.000X-FG6-SG-30F-A VFI m-1-C-M5.000X-FG6-SG-30F-A VFI m-1-C-M5.000X-EG6-SS-30F-A m3/h DN 18 VFI m-1-C-M5.000X-FG6-SS-30F-A VFI m-1-C-M5.000X-EG6-SS-07P-A VFI m-1-C-M5.000X-FG6-SS-07P-A VFI m-1-C-M5.000X-EG6-SG-30F-A VFI m-1-C-M5.000X-FG6-SG-30F-A VFI m-1-C-M5.000X-EG6-SS-30F-A m3/h DN 25 VFI m-1-C-M5.000X-FG6-SS-30F-A VFI m-1-C-M5.000X-EG6-SS-07P-A VFI m-1-C-M5.000X-FG6-SS-07P-A VFI m-1-C-M5.000X-EG6-SG-30F-A VFI m-1-C-M5.000X-FG6-SG-30F-A VFI m-1-C-M5.000X-EG6-SS-30F-A m3/h DN 32 VFI m-1-C-M5.000X-FG6-SG-30F-A VFI m-1-C-M5.000X-EG6-SS-09P-A VFI m-1-C-M5.000X-FG6-SS-09P-A VFI- 2-40m-1-C-M5.000X-EG6-SG-31F-A VFI- 2-40m-1-C-M5.000X-FG6-SG-31F-A m3/h DN 40 VFI- 2-40m-1-C-M5.000X-EG6-SS-31F-A VFI- 2-40m-1-C-M5.000X-FG6-SS-31F-A VFI m-1-C-M5.000X-EG6-SG-32F-A VFI m-1-C-M5.000X-FG6-SG-32F-A m3/h DN 50 VFI m-1-C-M5.000X-EG6-SS-32F-A VFI m-1-C-M5.000X-FG6-SS-32F-A VFI m-1-C-M5.000X-EG6-SG-33F-A VFI m-1-C-M5.000X-FG6-SG-33F-A m3/h DN 65 VFI m-1-C-M5.000X-EG6-SS-33F-A VFI m-1-C-M5.000X-FG6-SS-33F-A VFI m-1-C-M5.000X-EG6-SG-35F-A VFI m-1-C-M5.000X-FG6-SG-35F-A m3/h DN 80 VFI m-1-C-M5.000X-EG6-SS-35F-A VFI m-1-C-M5.000X-FG6-SS-35F-A VFI m-1-C-M5.000X-EG6-SG-37F-A VFI m-1-C-M5.000X-FG6-SG-37F-A m3/h DN 100 VFI m-1-C-M5.000X-EG6-SS-37F-A VFI m-1-C-M5.000X-FG6-SS-37F-A

27 Grundfos Direct Sensors 4 VFS sensor Sensor selection Grundfos offers a wide range of custom-built variants of the VFS sensorthat can be customized to meet individual requirements. Due to the large variation of VFS sensors, all VFS sensors cannot be listed in one table. Therefore, the tables below give a point of selection to choose from. Be aware that not all combinations are possible. Therefore, if you have any questions regarding selection, please contact Grundfos Sensors. 6. Sealing material and enclosure class Code E F G Sealing description EPDM (drinking water approved) FPM (for use in oily media) Gel-filled Code 2 IP20 4 IP44 5 IP55 6 IP67 Product range Example of a type key: VFS L-1-D-C1.200E- G4-CS-25P-W VFS L 1 D C1.200E G4 CS 25 P W 1 1. Product group 2. Product range and units: Product range 3. Generation: Code 4. Electrical output type: Range of unit L: litres/min. Generation 1 1st generation 2 2nd generation 3 3rd generation Code B C D E F G Output 0-10 V 4-20 ma, 2 wires V V 2 x 0-10 V 4-20 ma, 3 wires 5. Cable and connectors: Middle letters: is cable length in m First and last letters: Cable connector Code Cable connector description B FCI LF/ C CKM / , tin plated D AMP / E Molex / F AMP / G Tyco Val-U-Lok / , gold plated J JST XHP-4/SXH-001T-P0.6 L Lumberg K02 N Lumberg K03 Molex / , / Cembre P 1910M16 Q Molex / R Molex / / Cembre 1900M12 X Open ended Code B C G Q S Material:The first letter represents the flow pipe, the second represents the mechanical connection part. 7. Dimension of mechanical connection 8. Mechanical connection type 9. Packaging Material description Brass Composite Cast iron Stainless steel flow pipe with composite insert (QT) Stainless steel Code Dimension Code Dimension 03 G ½" 17 7/16" 04 G ¾" mm 05 G1" mm 06 6mm 24 1/ G 1¼" 25 3/ mm G 1½" 27 1 ¼ G 1½" 51 f1" - G ¾ 11 G 2½" 52 f1¼" - G 1 12 G 3" 63 G ½ with ventilation opening 13 G4" Code Description B BSPT (ISO 7/1) C Compression F Flange G Flange and BSPP (ISO 228/1) K Clips M NPSM N NPT P BSPP (ISO 228/1) S Sweat T Tube U UNF Code Description of packaging A Set with pre-assembled components P Spare parts set S Set V Service set W Blister pack, standard Grundfos cardboard N Blister pack, white cardboard 1 1 piece 10 Bulk Bulk Bulk Bulk Bulk

28 5 Grundfos Direct Sensors Accessories 5. Accessories Sensor interface, type SI 001 PSU SI 001 PSU from Grundfos Direct Sensors is an external power supply for Grundfos sensors and other transmitters with 24 VDC supply voltage. The power supply is to be used where the distance between the transmitter and the controller exceeds 30 m. Sensor interface, type SI 010 CNV SI 010 CNV from Grundfos Direct Sensors is an external power supply, signal amplifier and signal converter for Grundfos sensors. SI 010 CNV has built-in precision resistors enabling the transmitter to give 4-20 ma, 1-5 V and 2-10 V output signals. SI 010 CNV should be used in applications where sensors from the standard product range are used, but the controller requires a 4-20 ma input signal. Fig. 83 Sensor interface, SI 001 PSU Specification: Voltage range: VAC frequency range: Hz ambient temperature: -20 to +50 C enclosure class: IP54. Part Product No. Sensor interface, SI 001 PSU TM Fig. 84 Sensor interface, SI 010 CNV Specification: Voltage range: VAC± 10% or 24 VDC frequency range: Hz power consumption: Max. 2.5 W ambient temperature: -20 to +50 C enclosure class: IP20. TM Part Product No. Sensor interface, SI 010 CNV

29 Grundfos Direct Sensors 6 6. Appendix Installation of VFI sensor Appendix min. 10 x D 1 min. 5 x D 1 D D min. 20 x D 1-0,05 bar (0.725 PSI) -25 to 60 C (-13 to 140 F) Max. 28 bar (406 PSI) IP67-30 to 120 C (-22 to 248 F) 0 bar TM

30 6 Grundfos Direct Sensors Appendix Minimum flow rate Minimum flow rate as a function of the kinematic viscosity The minimum detectable flow rate (Q min. ) for the VFI sensors depends on the kinematic viscosity of the liquid. The chart below shows Q min as a function of the kinematic viscosity DN100 DN80 88 DN65 GPM DN50 DN40 DN32 DN DN * 10 Kinematic Viscosity [cst] TM *Reference condition: - Liquids at 20 C, 1013 mbar, ρ = 998 kg/m 3, v = 1 x 10-6 m 2 /s. 30

31 Grundfos Direct Sensors 6 Pressure drop curves p [psi] DN18 DN25 DN32 DN80 DN40 DN50 DN100 DN65 Appendix Q [m³/h] Q [US GPM] TM Reference condition: - Liquids at 20 C, 1013 mbar, ρ = 998 kg/m 3, v = 1 x 10-6 m 2 /s. 31

32 7 Grundfos Direct Sensors Further product documentation 7. Further product documentation WebCAPS WebCAPS is a Web-based Computer Aided Product Selection program available on WebCAPS contains detailed information on more than 185,000 Grundfos products in more than 20 languages. In WebCAPS, all information is divided into 6 sections: Catalogue Literature Service Sizing Replacement CAD drawings. Catalogue This section is based on fields of application and pump types, and contains technical data curves (QH, Eta, P1, P2, etc.) which can be adapted to the density and viscosity of the pumped liquid and show the number of pumps in operation product photos dimensional drawings wiring diagrams quotation texts, etc. Literature In this section you can access all the latest documents of a given pump, such as data booklets installation and operating instructions service documentation, such as Service kit catalogue and Service kit instructions quick guides product brochures. Service This section contains an easy-to-use interactive service catalogue. Here you can find and identify service parts of both existing and discontinued Grundfos pumps. Furthermore, this section contains service videos showing you how to replace service parts. 32

33 0 1 Grundfos Direct Sensors 7 Sizing This section is based on different fields of application and installation examples, and gives easy step-by-step instructions in how to select the most suitable and efficient pump for your installation carry out advanced calculations based on energy consumption, payback periods, load profiles, life cycle costs, etc. analyse your selected pump via the built-in life cycle cost tool determine the flow velocity in wastewater applications, etc. Replacement Further product documentation In this section you find a guide to selecting and comparing replacement data of an installed pump in order to replace the pump with a more efficient Grundfos pump. The section contains replacement data of a wide range of pumps produced by other manufacturers than Grundfos. Based on an easy step-by-step guide, you can compare Grundfos pumps with the one you have installed on your site. When you have specified the installed pump, the guide will suggest a number of Grundfos pumps which can improve both comfort and efficiency. CAD drawings In this section it is possible to download 2-dimensional (2D) and 3-dimensional (3D) CAD drawings of most Grundfos pumps. These formats are available in WebCAPS: 2-dimensional drawings:.dxf, wireframe drawings.dwg, wireframe drawings. 3-dimensional drawings:.dwg, wireframe drawings (without surfaces).stp, solid drawings (with surfaces).eprt, E-drawings. WinCAPS WinCAPS is a Windows-based Computer Aided Product Selection program containing detailed information on more than 185,000 Grundfos products in more than 20 languages. The program contains the same features and functions as WebCAPS, but is an ideal solution if no Internet connection is available. WinCAPS is available on CD-ROM and updated once a year. Fig. 85 WinCAPS CD-ROM 33

34 Being responsible is our foundation Thinking ahead makes it possible Innovation is the essence Repl. GB The name Grundfos, the Grundfos logo, and the payoff Be Think Innovate are registrated trademarks owned by Grundfos Management A/S or Grundfos A/S, Denmark. All rights reserved worldwide. GRUNDFOS A/S. DK-8850 Bjerringbro. Denmark Telephone:

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