Nox converter tester

The Sonimix 2130 NOx converter tester has been designed to generate a stable NO2 concentration with a small reaction time. It is based on the sonic nozzles technology (ISO 6145-6 technology) and high stability pressure regulators.

The NOx converter tester is often used together with a multi-steps gas divider also based on sonic nozzles and high precision pressure regulators.

In order to validate NOx measurements, the efficiency of the NO2 converter must be higher than 90 %, it is therefore very important to check easily and precisely the efficiency of the NO2 converter.

The SONIMIX converter tester is based on the process known under the name of Gaseous Phase Titration.

Gas-Kalibratoren Sonimix 2130


  • Easy use and installation
  • US EPA Method


  • Test of the converter’sefficiency
  • Emission measurements on the stack monitoring and automotive industry

Technische Daten

Models: SX 2130 6800 50 001 6800 50 002 6800 50 003
Gas generation  
Concentration Low High
NO2 & O3 generation 15 to 50 ppm 30 to 100 ppm 300 to 1000 ppm
Inlet pressure 2,5 to 4 bar rel.(37 to 58 PSI)
Outlet pressure Up to 910mbar rel. (13 PSI)
Gas dilution 90% of the NO cylinder
Stabilization time NO: < 1 min

O3 and NO2 : < 10 min

NO: < 1 min

O3 and NO2 : < 10 min

Flow (Air line) 0,2 Nl/min
Flow (NO line) 2 Nl/min
Connections 1/4’’ Swagelok
Materials in contact with gases NO, O3, NO2: Stainless steel, Teflon, Gold, Silver

Air: Stainless steel, Aluminium, Silver, Brass

Alimentation 230V / 50-60 HZ

115V / 60HZ

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