Yokogawa Vortex Flow Meter, DigitalYEWFLO
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DigitalYEWFLO Vortex Flow Meter

Brand: Yokogawa Electric Corporation
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By the unique SSP (Spectral signal processing) technology, DigitalYEWFLO provides high accuracy and stability, even in harsh process conditions. 

Combined with high reliability and robust design, it delivers improvements in plant efficiency and reduced operating costs. 

DigitalYEWFLO Multi-Variable Type (Option: /MV) built-in temperature sensor, so that temperature measurement and Mass Flow calculation is available. 

DigitalYEWFLO Reduced Bore Type (Option: /R1, /R2) integrated and casting construction with concentric reduced bore piping.
Features
  • SSP (Spectral Signal Processing) Technology
  • Self-diagnostics
  • High Accuracy
  • Wide Process Temperature Range
  • Simple Parameter Settings
  • Clear, Concise Indicator
  • Dual Output for Analog / Pulse
  • Alarm Output, Status Output (Flow Switch)
  • No Moving Parts Stainless Steel Detector: High Durable and Safety
  • Signal Cable Length is Up to 30 meters
  • Explosion Proof Construction, TIIS / FM / ATEX / CSA / SAA (Intrinsically Safe), IECEx

Specifications

Brand

Accuracy

  • ± 0.5 % - Rate for Temperature Measurement
  • ± 0.75 % of Reading (Liquid)
  • ± 1 % of Reading (Gas, Steam)
  • ± 2 % - Rate for Mass Flow Calculation (Saturated Steam)

Ambient Temperature Range

  • -29° to 80° C (-20° to 176° F) - Integral Typical with Indicator
  • -29° to 85° C (-20° to 185° F) - Remote Typical Detector & Integral Typical
  • -30° to 80° C (-22° to 176° F) - Remote Typical Converter with Indicator
  • -40° to 85° C (-40° to 185° F) - Remote Typical Converter

Approvals & Certifications

  • ATEX Flameproof & Intrinsically Safe
  • CE
  • CSA Explosion-proof & Intrinsically Safe
  • EMC EN 61326-1 Class A, EN 61326-2-3
  • FM Intrinsically Safe & Explosion-proof
  • IEC 60529
  • IEC Ex Flameproof & Intrinsically Safe
  • NAMUR 43
  • PED
  • SAA
  • TIIS Flameproof

Approvals & Certifications

  • Dye Penetration Testing
  • Hydrostatic/Pneumatic Test Certificate
  • Material Certificate: Mill Sheets
  • PMI

Bore Size

  • 0.59” to 3.93” (15 to 100 mm) - Reduced Bore Typical of R2 Detector Size
  • 0.59” to 5.90” (15 to 150 mm) - Reduced Bore Typical of R1 Detector Size

Burn-Out

  • Down-Scale or Up-scale: 3.6 mA or Less
  • Up-scale: 21.6 mA or Less

Cable Length

  • 0 to 311.7 feet (0 to 95 metres)

Cable Material

  • Heat Resisting Polyethylene (PE) - Outer Sheath Material
  • Polyethylene Insulated PVC Sheathed

Communication

  • BRAIN
  • FOUNDATION Fieldbus
  • HART

Cover Material

  • Aluminum Alloy JIS ADC12
  • JIS SCS14A or ASTM

Current

  • 4-20.5 mA - Current Signal for Measurement

Damping Adjustment

  • 0 to 99 seconds (63 % Response Time)

Delay Time

  • 0.5 second

Diagnostics

  • EEPROM Error

Distance

  • 0 to 2 Kilometers - Communication Distance

Duty Cycle

  • Approximately 50 % (1: 2 to 2: 1)

Electrical Connectors

  • ANSI 1/2” NPT Female
  • ISO M20 x 1.5 Female
  • JIS G 1/2” Female

Electrical Rating

  • 10.5-30 Vdc, 120 mA DC

Enclosure Finish

  • Black
  • Deep Sea Moss Green (Munsell 0.6 GY 3.1/2.0)
  • Epoxy Coated
  • Frosty White (Munsell 2.5Y 8.4/1.2)
  • Metallic Silver
  • Munsell
  • Polytetrafluoroethylene (Teflon)
  • Polyurethane Coating
  • Polyurethane Corrosion-Resistant Coating
  • Shade Green

Enclosure, Body Material

  • Aluminum Alloy JIS ADC12
  • ASME CF8M Stainless Steel Castings
  • ASTM CF-8M Stainless Steel (Flange Material for DY250 to DY400 are JIS SUS F304)
  • Duplex Stainless Steel - Shedder bar
  • Polyurethane
  • Stainless Steel
  • Stainless Steel JIS SCS14A (Flange Material for DY250 to DY400 are JIS SUS F304)

Environmental Protection

  • Flameproof Packing Adapter
  • IP66
  • IP67
  • NEMA 4X

Flange Size - 1-1/2” (DN 40)

  • 1-1/2” (DN 40) - 150# ANSI
  • 1-1/2” (DN 40) - 300# ANSI
  • 1-1/2” (DN 40) - 600# ANSI
  • 1-1/2” (DN 40) - 900# ANSI
  • 1-1/2” (DN 40) - JIS 10K
  • 1-1/2” (DN 40) - JIS 20K
  • 1-1/2” (DN 40) - JIS 40K
  • 1-1/2” (DN 40) - PN 10
  • 1-1/2” (DN 40) - PN 16
  • 1-1/2” (DN 40) - PN 25
  • 1-1/2” (DN 40) - PN 40

Flange Size - 1” (DN 25)

  • 1” (DN 25) - 150# ANSI
  • 1” (DN 25) - 300# ANSI
  • 1” (DN 25) - 600# ANSI
  • 1” (DN 25) - 900# ANSI
  • 1” (DN 25) - JIS 10K
  • 1” (DN 25) - JIS 20K
  • 1” (DN 25) - JIS 40K
  • 1” (DN 25) - PN 10
  • 1” (DN 25) - PN 16
  • 1” (DN 25) - PN 25
  • 1” (DN 25) - PN 40

Flange Size - 1/2” (DN 15)

  • 1/2” (DN 15) - 150# ANSI
  • 1/2” (DN 15) - 300# ANSI
  • 1/2” (DN 15) - 600# ANSI
  • 1/2” (DN 15) - 900# ANSI
  • 1/2” (DN 15) - JIS 10K
  • 1/2” (DN 15) - JIS 20K
  • 1/2” (DN 15) - JIS 40K
  • 1/2” (DN 15) - PN 10
  • 1/2” (DN 15) - PN 16
  • 1/2” (DN 15) - PN 25
  • 1/2” (DN 15) - PN 40

Flange Size - 10” (DN 250)

  • 10” (DN 250) - 150# ANSI
  • 10” (DN 250) - 300# ANSI
  • 10” (DN 250) - 600# ANSI
  • 10” (DN 250) - 900# ANSI
  • 10” (DN 250) - JIS 10K
  • 10” (DN 250) - JIS 20K
  • 10” (DN 250) - JIS 40K
  • 10” (DN 250) - PN 10
  • 10” (DN 250) - PN 16
  • 10” (DN 250) - PN 25
  • 10” (DN 250) - PN 40

Flange Size - 12” (DN 300)

  • 12” (DN 300) - 150# ANSI
  • 12” (DN 300) - 300# ANSI
  • 12” (DN 300) - 600# ANSI
  • 12” (DN 300) - 900# ANSI
  • 12” (DN 300) - JIS 10K
  • 12” (DN 300) - JIS 20K
  • 12” (DN 300) - JIS 40K
  • 12” (DN 300) - PN 10
  • 12” (DN 300) - PN 16
  • 12” (DN 300) - PN 25
  • 12” (DN 300) - PN 40

Flange Size - 16” (DN 400)

  • 16” (DN 400) - 150# ANSI
  • 16” (DN 400) - 300# ANSI
  • 16” (DN 400) - 600# ANSI
  • 16” (DN 400) - 900# ANSI
  • 16” (DN 400) - JIS 10K
  • 16” (DN 400) - JIS 20K
  • 16” (DN 400) - JIS 40K
  • 16” (DN 400) - PN 10
  • 16” (DN 400) - PN 16
  • 16” (DN 400) - PN 25
  • 16” (DN 400) - PN 40

Flange Size - 2” (DN 50)

  • 2” (DN 50) - 150# ANSI
  • 2” (DN 50) - 300# ANSI
  • 2” (DN 50) - 600# ANSI
  • 2” (DN 50) - 900# ANSI
  • 2” (DN 50) - JIS 10K
  • 2” (DN 50) - JIS 20K
  • 2” (DN 50) - JIS 40K
  • 2” (DN 50) - PN 10
  • 2” (DN 50) - PN 16
  • 2” (DN 50) - PN 25
  • 2” (DN 50) - PN 40

Flange Size - 3” (DN 80)

  • 3” (DN 80) - 150# ANSI
  • 3” (DN 80) - 300# ANSI
  • 3” (DN 80) - 600# ANSI
  • 3” (DN 80) - 900# ANSI
  • 3” (DN 80) - JIS 10K
  • 3” (DN 80) - JIS 20K
  • 3” (DN 80) - JIS 40K
  • 3” (DN 80) - PN 10
  • 3” (DN 80) - PN 16
  • 3” (DN 80) - PN 25
  • 3” (DN 80) - PN 40

Flange Size - 4” (DN 100)

  • 4” (DN 100) - 150# ANSI
  • 4” (DN 100) - 300# ANSI
  • 4” (DN 100) - 600# ANSI
  • 4” (DN 100) - 900# ANSI
  • 4” (DN 100) - JIS 10K
  • 4” (DN 100) - JIS 20K
  • 4” (DN 100) - JIS 40K
  • 4” (DN 100) - PN 10
  • 4” (DN 100) - PN 16
  • 4” (DN 100) - PN 25
  • 4” (DN 100) - PN 40

Flange Size - 6” (DN 150)

  • 6” (DN 150) - 150# ANSI
  • 6” (DN 150) - 300# ANSI
  • 6” (DN 150) - 600# ANSI
  • 6” (DN 150) - 900# ANSI
  • 6” (DN 150) - JIS 10K
  • 6” (DN 150) - JIS 20K
  • 6” (DN 150) - JIS 40K
  • 6” (DN 150) - PN 10
  • 6” (DN 150) - PN 16
  • 6” (DN 150) - PN 25
  • 6” (DN 150) - PN 40

Flange Size - 8” (DN 200)

  • 8” (DN 200) - 150# ANSI
  • 8” (DN 200) - 300# ANSI
  • 8” (DN 200) - 600# ANSI
  • 8” (DN 200) - 900# ANSI
  • 8” (DN 200) - JIS 10K
  • 8” (DN 200) - JIS 20K
  • 8” (DN 200) - JIS 40K
  • 8” (DN 200) - PN 10
  • 8” (DN 200) - PN 16
  • 8” (DN 200) - PN 25
  • 8” (DN 200) - PN 40

Flow Rate

  • 10 m/sec - Max.
  • 35 m/sec - Gas Expansion Correction
  • 80 m/sec - Max.

Fluid

  • Gas
  • Liquid
  • Steam

Frequency

  • 10 kHz, Max.

Gasket Material

  • 316 Stainless Steel

Humidity

  • 5 to 100 % Relative Humidity at 40° C (104° F) Non-Condensing

Input Impedance

  • 10 kiloohms or more at 2.4 kHz

Load

  • 0.22 µF or Less - Load Capacitance
  • 250 to 600 ohms - Load Resistance
  • 3.3 MH or Less - Load Inductance

Materials of Construction

  • 304 Stainless Steel - Tag Plate & Name Plate
  • Carbon Steel Sheet JIS SPCC
  • JIS SECC

Measuring Time

  • 0.3 seconds - Analog Output Circuit Time Constant
  • 10 minutes - Test Time

Mounting

  • 2” (50 mm) Pipe Mounting - Remote Typical Converter
  • Flange or Wafer Mounting
  • Integral Mounting
  • Remote Mounting

Mounting Position

  • 180° - Converter Installing Direction
  • 90° Rotation (Right & Left)

Nut & Bolt Material

  • Stainless Steel, JIS SUS304

Output

  • 3.6 mA or Less
  • 4-20 mA DC (2-Wire) - Analog
  • Open Collector (3-Wire) - Transistor Contact Output

Pressure Range

  • psi: -14.5 (kPa: -100, bar: -1): Flange Rating

Process Connection Style

  • Wafer

Process Temperature

  • 0° to 450° C (32° to 842° F) - High Temperature Version: Wide Process Temperature
  • 100° to 330° C (212° to 626° F) - Saturated Steam Mass Flowrate
  • 100° to 400° C (212° to 752° F) - Superheated Steam Mass Flowrate
  • -196° C (-320.8° F) Min. - Cryogenic Version: Wide Process Temperature
  • -196° to 100° C (-321° to 212° F) - Cryogenic Version
  • -29° to 250° C (-20° to 482° F) - Standard
  • -29° to 400° C (-20° to 752° F) - High Process Temperature Version Multi-Variable Typical
  • -29° to 450° C (-20° to 842° F) - High Process Temperature Version

Repeatability

  • ± 0.2 % of Reading

Response Time

  • 60 seconds (Churning Underwater) - Temperature Response (50 % Response)

Sensor, Probe Type

  • Pt1000 - Multi-Variable Typical

Size

  • 0.59” (15 mm) - ASTM S31803
  • 0.98” to 15.74” (25 to 400 mm) - EN 1.4517

Supply Voltage

  • 10.5-30 Vdc - Lightning Protector
  • 10.5-42 Vdc
  • 16.4-30 Vdc - Intrinsically Safe Typical
  • 16.4-42 Vdc - for Digital Communications BRAIN & HART Protocols
  • 30 Vdc - Max.

Temperature Range

  • 100° to 250° C (212° to 482° F) - Saturated, Superheated Steam Mass Flowrate
  • -40° to 150° C (-40° to 302° F) - Durable Temperature

Documentation

Data Sheets

Product Manuals

Brochure

Product Drawing

Specification

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