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454FTB-WGF Series Single-Point Insertion Flow Meter
Brand: Kurz Instruments
The Kurz Series 454FTB-WGF is the first thermal mass flow meter engineered specifically for wet gas, condensing gas, and biogas environments.
The patent-pending design processes the dry flow signal independent of the effects of moisture in the process gas stream, making it the ideal flow meter for digesters, landfills, animal feeding operations, wet stacks, and mining.
Features- Built‐in dry gas flow calculation on all flow units for saturated processes
- Variable CH₄ composition for a CH₄/CO₂ gas mix
- Up to five user-selectable pure or mixed gas calibration curves
- Interchangeable sensor and electronics (single circuit board) — no matched sets
- Continuous self‐monitoring electronics that verify the integrity of sensor wiring and measurements
- Zero velocity as a valid data point.
- Sensor does not overheat at zero flow by using a unique constant temperature control method and power limiting design
- Supports HART, Profibus DP, and Modbus communication protocols
- Sensor Blockage Correction Factor (SBCF)
- Flexibility with transmitter attached or transmitter-separate designs
- Fogging in stacks and around fan inlets can be monitored
- Accurate and real time digester measurements reveal digester imbalances, enabling early corrective action
Specifications
Brand
Accuracy
- ± 1 % of Reading +20 SFPM
- 12-bits
Applications
- Coal Power
- Incinerators
- Landfill
- Metal
- Nuclear
- Petrochemical
- Pulp & Paper
- Wastewater
Approvals & Certifications
- ATEX
- CRN
- CSA
- EMC
- EN IEC 60079-0, EN IEC 60079-1
- EN IEC 60079-15, Class I, Div. 1 & 2
- EPA Mandatory GHG Certification: 40 CFR 98.34(C)(1)
- LVD
- NAMUR NE43
- PED
- RoHS
- WEEE
Communication
- HART (v7 FSK)
- PROFIBUS DP
Display
- Backlight Display
Enclosure, Body Material
- Aluminum
- Polycarbonate
Environmental Protection
- IP54
- IP66
- NEMA 4
Flange Material
- 316L Stainless Steel
- C-276 Alloy
Flange Size - 1-1/2” (DN 40)
- 1-1/2” (DN 40) - 150#
- 1-1/2” (DN 40) - 300#
Flange Size - 1” (DN 25)
- 1” (DN 25) - 150#
- 1” (DN 25) - 300#
Flange Size - 2-1/2” (DN 65)
- 2-1/2” (DN 65) - 150#
- 2-1/2” (DN 65) - 300#
Flange Size - 2” (DN 50)
- 2” (DN 50) - 150#
- 2” (DN 50) - 300#
Flange Size - 3” (DN 80)
- 3” (DN 80) - 150#
- 3” (DN 80) - 300#
Flange Size - 3/4” (DN 20)
- 3/4” (DN 20) - 150#
- 3/4” (DN 20) - 300#
Flange Size - 4” (DN 100)
- 4” (DN 100) - 150#
- 4” (DN 100) - 300#
Input
- Analog Input: 4-20 mA Non-Isolated
Input Power
- 24 Vdc ± 10 %, 1 A, Max.
- 85-264 Vac 50/60 Hz, 24 W, Max.
Materials of Construction
- Fitting: PTFE-Compound Front & Back Ferrules
- Fitting: Stainless Steel Front & Back Ferrules
- Remote Display Material: Aluminum
- Remote Display Material: Polycarbonate
- Sensor Support: 316L Stainless Steel (Standard)
- Sensor Support: C-276 Alloy (Optional)
- Transmitter Material: Aluminum
NPT Connection
- 1” NPT Male
- 3/4” NPT Male
Operating Temperature - Electronics
- Integral Display: -25° to 65° C (-13° to 149° F)
- Remote Aluminum Display: -40° to 65° C (-40° to 149° F)
- Remote Polycarbonate Display: -25° to 50° C (-13° to 122° F)
Pressure Rating
- Up to psig: 150 (barg: 10.34, kPa: 1034.21)
Process Temperature
- -40° to 120° C (-40° to 248° F)
Range
- Velocity Range: 0 to 2,000 SFPM (9.3 NMPS) (CH₄)
- Velocity Range: 0 to 3,000 SFPM (14 NMPS) (50/50 Biogas)
- Velocity Range: 0 to 4,000 SFPM (18.6 NMPS) (Air)
Repeatability
- 0.25%
Resolution
- 12-bits
Sensor, Probe Diameter
- 1” (25.4 mm)
- 3/4” (19.05 mm)
Sensor, Probe Material
- C-276 Alloy All-Welded Sensor Construction (Standard)
Time Constant
- Process Temperature Time Constant: 10 seconds for Temp Changes at 1,000 SFPM (Constant Velocity)
- Velocity Time Constant: 1.5 seconds for Velocity Changes at 4,000 SFPM (Constant Temperature)