Flexim Fluxus G704 Permanent Ultrasonic Clamp-on Gas Flow Meters

Flexim Fluxus G704 Permanent Ultrasonic Clamp-on Gas Flow Meters

Permanent Clamp-on Flow Meter for Gas Measurement

The Fluxus G704 is a permanent clamp-on for gas measurement for nearly any gas flow metering application in industrial environments such as those found in the chemical, manufacturing and oil & gas industries.

Applications include:

  • Measurement of synthesized gas, injection gas, ethylene, helium, nitrogen
  • High pressure gas measurement in the plastics production process
  • Compressed air network measurement
  • Measurement of natural gas pipelines and in natural gas storage installations
  • And many more!

The G704 gas flow meter used non-intrusive ultrasonic measurement technology to provide a precise bi-directional, highly dynamic flow measurement of operational and standard volume flows as well as wet gas up to liquid volume fractions of 5%.

Transducers are provided according to the application requirements and are available to suit a diameter range from DN 7 to DN 1,600 and temperatures from -160ºC to +400ºC.

Additionally the flow measurement is unaffected by pressure inside the pipe, the gas density, viscosity and composition as well as dust and humidity.

Flexim Fluxus G704 Gas Flow Meter – Features & Benefits

  • Precise bi-directional and highly dynamic flow measurement with the non-intrusive clamp-on technology
  • High precision at fast and slow flow rates, high temperature and zero point stability
  • Automatic loading of calibration data and transducer detection for a fast and easy set-up (less than 5 min), providing precise and long-term stable results
  • User-friendly design
  • ATEX, IECEx, FM approved transducers for hazardous areas available
  • Measurement is unaffected by gas density, viscosity, composition, dust, humidity, temperature or pressure
Flexim Fluxus G704 Gas Flow Meter - General Technical Specifications
Part Ref G704 G704 A2
Measurement Principle Transit time difference correlation principle

Quantities of

Measurement

Operating volumetric flow rate, standard volumetric flow rate, mass flow rate, flow velocity
Flow Velocity 0.01 to 35 m/s depending on pipe diameter
Repeatability 0.15% of reading +/-0.01 m/s
Medium All acoustically conductive gases, e.g nitrogen, air, oxygen, hydrogen, argon, helium, ethylene, propane

Temperature

Compensation

Corresponding to the recommendations in ANSI/ASME MFC-5M-1985
Accuracy Volumetric flow rate:

+/-1 to 3% of reading +/-0.01 m/s depending on applications
+/-0.5% of reading +/-0.01 m/s with field calibration
Power Supply 100 to 240V / 50 to 60Hz or 20 to 32V DC 
Power Consumption < 15W

Number of 

Flow Measuring

Channels

1 (optional 2)
Housing Material Aluminium, powder coated
Protection IP65 according to IEC/EN 60529
Certification N/A

ATEX certified

II3G Ex nA nC IIC T4 Gc

Ta -20 to +60ºC

II3D Ex tc IIIC T 100ºC Dc IP65

 

Flexim Fluxus G704 Permanent Ultrasonic Clamp-on Gas Flow Meters
Flexim Fluxus G704 Permanent Ultrasonic Clamp-on Gas Flow Meters

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Flexim Fluxus G704 Permanent Ultrasonic Clamp-on Gas Flow Meters
Flexim Fluxus G704 Permanent Ultrasonic Clamp-on Gas Flow Meters

Heat Tracing - Thorne & Derrick