Fuji Electric Ultrasonic Nitrogen Gas Flow Meter – FWD-N

SPECIFICATIONS

• Pipe diameter (mm)

  DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN150, DN200

• Power supply

  24 V DC ±10% or built-in battery type (battery life : approx.10 years at 20˚C)

• Power consumption

  24 V DC, 1.5 W or less

• Applicable fluid

  N₂ (diameter 25-80 mm)

• Temperature and humidity of fluid

  10°C to 60°C, RH 90% or less

• Working pressure

  Less than 1 MPa (gauge pressure)

• Flow speed range min

  DN25: Flow rate range ±0.6–35 m³/h; ±2.0% accuracy from ±3.5–35 m³/h, ±5.0% accuracy from ±0.6–3.5 m³/h
  DN32: Flow rate range ±1.1–65 m³/h; ±2.0% accuracy from ±6.5–65 m³/h, ±5.0% accuracy from ±1.1–6.5 m³/h
  DN40: Flow rate range ±1.3–80 m³/h; ±2.0% accuracy from ±8–80 m³/h, ±5.0% accuracy from ±1.3–8 m³/h
  DN50: Flow rate range ±2.5–150 m³/h; ±2.0% accuracy from ±15–150 m³/h, ±5.0% accuracy from ±2.5–15 m³/h
  DN65: Flow rate range ±4–240 m³/h; ±2.0% accuracy from ±24–240 m³/h, ±5.0% accuracy from ±4–24 m³/h
  DN80: Flow rate range ±5–300 m³/h; ±2.0% accuracy from ±30–300 m³/h, ±5.0% accuracy from ±5–30 m³/h
  DN100: Flow rate range ±10–500 m³/h; ±2.0% accuracy from ±50–500 m³/h, ±5.0% accuracy from ±10–50 m³/h
  DN150: Flow rate range ±24–1200 m³/h; ±2.0% accuracy from ±120–1200 m³/h, ±5.0% accuracy from ±24–120 m³/h
  DN200: Flow rate range ±40–2000 m³/h; ±2.0% accuracy from ±200–2000 m³/h, ±5.0% accuracy from ±40–200 m³/h

• Air flow rate conversion accuracy

  FWD025-080: ±2.5% of measurement (at 500 kPa, 25°C, dry air)
  FWD100-200: ±2.0% of measurement (at ≥ 300 kPa)

• Display

  1st line: Totalized value (m3) 8-digit, Instantaneous flow (l/mm) 8-digit
  2nd line: Instantaneous flow (Nm3/h) 5-digit (4-digit after 2000), Pressure (kPa) 5-digit, Temperature (°C) 3-digit

• Outputs (not available with battery supply)

  Current output: 4-20 mA DCC (±0.5% PE), max. load resistance. 400Ω, max. current output 22 mA
  Instantaneous flow, pressure or temperature
  
  Contact output: 2 contact outputs, max. load 24 V DC, 50 mA, max. frequency: 10 Hz
  Output 1: pulses (forward)
  Output 2: pulses (reverse), high/low alarm, system error

• Process connection type

  ⌀25, ⌀32 mm: ⌀25 mm – Rc1, ⌀32 mm – Rc1-1/4
  ⌀40-⌀80 mm: Flange mounting (JIS10K)
  ⌀100-⌀200 mm: Flange mounting JIS10K

• Mounting conditions (straight lengths)

  ⌀25, ⌀32 mm: 20D or more upstream, 5D or more downstream
  When used for bidirectional measurement, 20D or more downstream and upstream
  
  ⌀40-⌀200 mm: 10D or more upstream, 5D or more downstream
  When used for bidirectional measurement, 10D or more downstream and upstream

• Materials of wetted parts

  Aluminum alloy, PPS, fluorosilicone rubber, etc.

• Installation location

  Indoor or outdoor (IP64 equivalent)

• Storage temperature

  -20°C to 70°C, non-condensing

AVAILABLE MODELS

DOCUMENTS

• Certificate: EU Declaration of Conformity FWD ultrasonic inline flowmeter

  56.71 KB

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• Manual: In-line ultrasonic flowmeter for air and nitrogen gas FWD

  2.2MB

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• Datasheet: Clamp-on ultrasonic flow meter for air and nitrogen gas FWD

  901.72 KB

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• Brochure: Ultrasonic flow meters for liquids, steam and gas

  7.07 MB

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• Brochure: Measures for energy and the environment

  4.01 MB

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