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PRODUCTS/Flow Meter/ VA 520 - Thermal mass flow meter for flow measurement

VA 520 - Thermal mass flow meter for flow measurement

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Flow meters for compressed air as well as various technical gases

Record and reduce your energy costs and increase your sustainability with the VA 520. Monitor your consumption and analyze your leakages with a permanently installed flow meter in distribution stations, in front of individual departments or for billing purposes of individual consumers.

Advantages of the VA 520 flow meter:

  • Measurement of mass flow rate, 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 
  • 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
  • Vanishingly low pressure loss due to vanishingly low blockage of the diameter
  • 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 such as Modbus TCP (Ethernet), PoE, M-Bus 
  • Optional: Bi-directional measurement 
  • Pressure range up to 40 bar
  • Temperature range from -30 to 80°C
  • Protection class IP65
  • Integrated display to show the measured values 
  • Can be used from DN 8 to DN 80
  • Settings adjustable via the keys of the display 
  • Main counter reading can be reset via the display 
  • For speeds up to 224 Nm/s
  • Highly accurate with an accuracy of ± 1.5% or ± 1% of the measured value  -  as well as ± 0.3% of the final value
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Flow Meter with ATEX Approval - VA550

VA 550 - Flow meter for heavy duty industrial applications

Our extra robust flow meter is available as ATEX-version for application in explosive areas

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Flow Meter with Measuring Section - VA 570

VA 570 - Flow meter with integrated measuring section

The measuring sections are available in flanged version or with R resp. NPT thread.

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Flow Meter with Modbus Interface - VA 500

VA 500 - Flow meter for compressed air and gases

RS 485 interface, Modbus RTU, 4...20 mA analogue output for m³/h, Pulse output for m³.

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M-Bus flow meters for compressed air, natural and industrial gas

M-Bus - Industrial gas meter

State-of-the-art industrial gas meter with M-Bus for compressed air, natural gas, biogas and many other applications.

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The CS Instruments product portfolio includes measuring devices for numerous applications in compressed air and gas measurement. Both small industrial companies and large OEM customers, for example from the automotive industry, rely on our reliable measuring instruments made in Germany and are fully supported by our worldwide dealer and partner network.

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