Ultrasonic flow meter for nitrogen gas - FWD-N

Gas nitrogen flow measurement

Fields of application

These nitrogen flow meters are ideal for companies in the pharmaceutical, chemical and food industries.

Features

  • Quick, easy and cost-effective installation
  • Clear reading of nitrogen consumption
  • Nitrogen leak detection
  • Reliability and accuracy of measurements
  • Adaptable to different applications
  • Low maintenance costs
  • Resistant to harsh environments
  • Various pipe diameters available
Catalogue number: FWD-N
From 2298 €
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Specifications

The FWD-N is an ultrasonic flow meter that measures gas nitrogen flow in pipes from 25 mm to 80 mm. Gas nitrogen flow meters are essential for ensuring the smooth running of industrial processes, optimizing their efficiency, detecting possible nitrogen leaks, and preventing waste while guaranteeing safety.

 

Pipe diameter (mm) DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN150, DN200
Supply voltage24 V DC ±10% or built-in battery type (battery life : approx.10 years at 20˚C)
Power consumption24 V DC, 1.5 W or less
Applicable fluidsN2 (diameter 25-80 mm)
Fluid temperature10°C to 60°C, RH 90% or less
Working pressureLess than 1 MPa (gauge pressure)
Scale (instantaneous flow) and accuracyDiameterFlow rate range (m 3/h)Accuracy
±2.0% of flow rate±5.0% of flow rate
DN25±0.6-35±3.5-35m3/h±0.6-3.5m3/h
DN32±1.1-65±6.5-65m3/h±1.1-6.5m3/h
DN40±1.3-80±8-80m3/h±1.3-8m3/h
DN50±2.5-150±15-150m3/h±2.5-15m3/h
DN65±4-240±24-240m3/h±4-24m3/h
DN80±5-300±30-300m3/h±5-30m3/h
DN100±10-500±50-500m3/h±10-50m3/h
DN150±24-1200±120-1200m3/h±24-120m3/h
DN200±40-2000±200-2000m3/h±40-200m3/h
Air flow rate conversion accuracyFWD025-080: ±2.5% of measurement (at 500 kPa, 25°C, dry air)
FWD100-200: ±2.0% of measurement (at ≥ 300 kPa)
Display1st lineTotalized value (m3) 8-digit, Instantaneous flow (l/mm) 8-digit
2nd lineInstantaneous flow (Nm3/h) 5-digit (4-digit after 2000), Pressure (kPa) 5-digit, Temperature (°C) 3-digit
Outputs
(not available with battery supply)
Current output4-20 mA DCC (±0.5% PE), max. load resistance. 400Ω, max. current output 22 mA
Instantaneous flow, pressure or temperature
Contact output2 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 mmFlange mounting (JIS10K)
⌀100-⌀200 mmFlange mounting JIS10K
Mounting conditions
(straight lengths)
⌀25, ⌀32 mm20D or more upstream, 5D or more downstream
When used for bidirectional measurement, 20D or more downstream and upstream
⌀40-⌀200 mm10D or more upstream, 5D or more downstream
When used for bidirectional measurement, 10D or more downstream and upstream
Materials of wetted partsAluminum alloy, PPS, fluorosilicone rubber, etc.
Installation locationIndoor or outdoor (IP64 equivalent)
Storage temperature-20°C to 70°C, non-condensing

Documentations

Certificate: EU Declaration of Conformity FWD ultrasonic inline flowmeter

Certificates Download

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

Manuals Download

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

Datasheet Download

Brochure: Ultrasonic flow meters for liquids, steam and gas

Brochures Download

Flyer: Detect and stop air leaks with the FWD ultrasonic flow meter

Flyer Download

Brochure: Measures for energy and the environment

Brochures Download

Technologies

Ultrasonic flow meter for nitrogen gas - FWD-N

From 2298 €

Reference : FWD-N

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