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PRODUCTS / Flow Meter / VA 500 - Flow meter for compressed air and gases

VA 500 - Flow meter for compressed air and gases

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Thermal mass flow sensor for compressed air and gases

Recording and reducing energy costs and CO2 emissions while increasing the sustainability of any compressed air system. With our VA500 it is possible to 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 of the VA 500 flow meter:

  • Measurement of mass flow direct output of standard volume flow 
  • Highly accurate at small as well as higher flow rates
  • Pressure and temperature compensated by the thermal mass flow principle  
  • Quick and easy installation via a ½" ball valve
  • No moving parts, thus low maintenance
  • Vanishingly low pressure drop 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 tight up to 50 bar 
  • Temperature range up to 110°C
  • Protection class IP65
  • Integrated display for showing the measured values 
  • Can be used from 1/2" up to 40", larger diameters on request 
  • Easy installation under pressure
  • Settings can be changed via the display
  • Main counter reading can be reset via the display 
  • Suitable for gas velocities up to 224 Nm/s
  • Highly precise with an accuracy of ± 1.5% or ± 1% of the measured value ± 0.3% of the final value
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Flow Meter with ATEX Approval - VA550

VA 550 - Thermal mass flow sensor for flow measurement

Insertion type sensor for demanding industrial applications, with ATEX approval for Ex zones or DVGW approval for use in natural gas.

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Flow Meter with Measuring Section - VA 570

VA 570 - Thermal mass flow meter for consumption measurement

ATEX approval for hazardous areas and DVGW approval for use in natural gas.

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Mass Flow Meter - VA 520

VA 520 - Thermal mass flow meter for flow measurement

for compressed air and gases. New digital electronics - improved accuracy.

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Portable flow measurement device - PI 500

PI 500 for e.g. portable flow measurement

The PI 500 is an all-purpose hand-held measuring instrument for many applications in the industry.

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Suitable accessories

High-pressure protection for safe installation of dew point measuring devices

High-pressure protection

The supplementary device "high-pressure protection" serves for a safe installation and fastening of the CS sensors VA 500 under pressure.

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Drilling jig for set up a measuring site

Drilling jig for set up a measuring site

By means of a special drilling device a measuring site with 1/2" ball valve can be easily set up within a few minutes.

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Spot drilling collars for compressed air and gas pipes

Spot drilling collars

If there is no measuring site with 1/2" ball valve present it can be set up by means of spot drilling collars.

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Thickness meter CS 0495

enables a quick, easy and accurate measurement of the wall thickness of pipes.

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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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