Flow Meter

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VA 550 - Thermal mass flow sensor for flow measurement

Flow meters for compressed air and other technical gases

Reduce your energy costs and increase your sustainability with the VA 550. Monitor your consumption and analyze your leakage flows with just one measuring device. Due to its design, it is also ideal for mobile measurements.

Advantages at a glance:

  • All wetted parts are made of stainless steel, especially for applications with high demands on cleanliness and surface quality
  • Rough industrial applications can be realized due to robust aluminum housing
  • Recommended for flammable gases such as natural gas, hydrogen, biogas, etc. due to ATEX or DVGW approval
  • Measurement of mass flow rate, direct output of standard volume flow rate
  • Highly accurate at small as well as large flows
  • Pressure and temperature compensated by the thermal mass flow principle
  • Quick and easy installation via a standard ½'' ball valve
  • No moving parts, therefore low maintenance
  • Vanishingly low pressure loss due to vanishingly low blockage of the diameter

 

Technical details of the VA 550 flow meter

  • 04...20 mA, Pulse and a Modbus RTU (RS 485) interface as standard, optional interfaces like Modbus TCP (Ethernet), PoE and M-Bus available
  • Pressure resistance up to 100 bar
  • Temperature range up to 180°C
  • Protection class IP 67
  • Integrated display for a visualization of the measured values
  • Can be used from DN 20 to DN 2000, larger diameters on request
  • Easy installation under pressure
  • Settings adjustable via the keys of the display
  • Main counter reading can be reset via the display
  • For velocities up to 224 Nm/s
  • Highly accurate with an accuracy of ± 1.5% or ± 1% of m.v. as well as ± 0.3% of f.s.

Downloads :

Data sheet VA 550

Overview - VAxx product line


 

 

VA 521 - Compact Inline flow meter for compressed air and other gas types

Flow meters for compressed air as well as various technical gases

Reduce your energy costs and increase your sustainability with the VA 521. Monitor the consumption of each machine and analyze your leakage flows with just one measuring device.

Advantages of the VA 521 flow sensor:

  • Measurement of mass flow rate, output of standard volume flow rate without additional measurement of pressure and temperature.
  • Compact device for installation in limited space, no inlet and outlet sections necessary due to the integrated flow straightener
  • Highly accurate at small as well as high flowrates
  • Easy installation and removal of the sensor, the integrated measuring section can remain in the line for cleaning or recalibration of the sensor and can simply be closed with a sealing cap
  • No moving parts, therefore low maintenance required
  • Can be used for compressed air and non-corrosive gases such as nitrogen, oxygen, argon, helium, etc.

Technical details:

  • 04...20 mA, pulse and a Modbus RTU (RS 485) interface as standard
  • Optional interfaces: Modbus TCP (Ethernet), PoE, M-Bus
  • Pressure range up to 40 bar
  • Temperature range up to 80°C
  • Integrated display to show the measured values
  • Available from ½" to 2''
  • Settings adjustable via the keys of the display
  • Main counter can be reset via the display
  • For velocities up to 224 Nm/s
  • Extremely precise with an accuracy of ± 1.5% or ± 1% of the measured value - as well as ± 0.3% of the final value

Downloads : 

Data_sheet_VA521_EN.PDF

Instruction_manual_VA521_EN.pdf

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