CVS Constant Emission Volume Identification

For the certification of vehicles and combustion engines according to the latest emission regulations, such as: UNECE R83, EPA 40 CFR 86, WLTP TRIAS Att 42).


  • Most compact CVS system on the market
  • Consistently straight exhaust system
  • Tandem blowers
  • Components networking via EtherCAT
  • 3x probe sampling venturi
  • Max. flow 30 m³/min.
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