Best in class Gas Mixer with the unique sonic nozzle technology

The Sonimix 2106 is a gas mixer mainly used to calibrate and linearize gas monitors and to generate specific gas mixtures .
The Sonimix 2106 is based on the principle of gas flow through sonic nozzles and is built according the ISO 6145/6 standard. The sonic nozzle principle makes it the most accurate and stable device on the market. It generates binary mixtures from 0 to 100% in fixed steps in a pure mechanical process without electronic regulation and without any influence from ambient pressure or temperature.
The touch-screen LCD interface provides simple and user-friendly management of all functions on the unit.
Optional Auto Diagnostic functions for quick check of the instrument performances (patented) is available.
Optional Nox converter tester.
Proven metrological performances – Optional ISO 17025 calibration reports will be delivered from our accredited laboratory. In this way the device can be easily linked with National Standards (NIST, METAS, UKA, etc)


  • Accuracy – (0.5% rel.)/ stability (0,2% rel.)
  • Range – Up to 1024 programmable calibration points. Rare calibrations need.
  • Return on investment – Reduce gas cylinders costs, less components
  • Compatibility for corrosive gases (% range) with gold nozzles
  • Safe – Smart purge routine
  • Ergonomic with LCD display


  • Fulfilment of ISO 14481 norm CEM (QUAL 1 to QUAL 3)
  • Quality control of gas monitors in the laboratory
  • Gas analysers production
  • To generate accurate gas standards and mixtures for R&D purpose
  • Automotive industry for engine test benches

Technische Daten

Models: Sonimix 2106 2106-10 2106-16 2106-64 2106-128 2106-256 2106-1024
General data  
Dilution points 10 16 64 128 256 1024
Dilution principle Sonic nozzles (according ISO 6145-6) and high precision pressure regulators
Dilution gas line flow accuracy < 0.25 % of set point
Source gas line flow accuracy < 0.25 %
Repeatability on flow < 0.1 %
Accuracy on concentration (rel) < 0.5 % on the highest dilution ratio
Repeatability on concentration Better than 0.14% relative
Response time < 15 sec
Auto Diagnostic Diagnostic of pressure regulator, valve opening, nozzle functioning, drift
Factory calibration By laminar flow with uncertainty < 0.2% of reading
Warm up time none
Operating temperature 15°C – 40°C
Dimensions 19″ 3HE/84 TE , 500mm deep

portable casing in option

Net weight 15 – 20 Kg
Gas inlet requirments  
Dilution gas: Requires dry Air, Nitrogen or other gas, 2 ports
Dew point -40°C
Source gas: compatible with corrosive gases up to 10% (if option installed), up to 12 ports
Pressure 3 ± 0.3 bar rel
Fittings 3 x Swagelok 1/4″ (Air, Nitrogen, Span gas), optional up to 3x 4Swagelok 1/4″ per instrument
Gas outlet requirments  
Flow: 2.5 ± 0.25 L/min (other flow rate upon request)

adjustable by by-pass valve in front of the instrument

Pressure up to 1 bar rel (other pressure upon request)
Fittings 4 x Swagelok 1/4″ (Mixture, Waste, Purge)
RS 232 Standard
Ethernet TCP/IP Standard
USB Standard
WiFi Optional
Electrical data  
Power supply voltage 230V/50-60Hz



Installed power (Max) 150W
NOx converter tester (option)  
NO2 range 15 to 50 ppm / 30 to 100 ppm / 300 to 1000 ppm, all at 2.2 NL/min
Stabilization time Less than 1 min (once the device has warmed up)
Inlet fittings 2 x Swagelok (NO, air) 1/4″
Outlet fittings 2 x Swagelok (outlet, purge) 1/4″


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