General
The AirSense is a mass spectrometer based on the patented Ion-Molecule Reaction (IMR-MS) and can be used for a broad field of applications.
This analyzer is the multi-purpose level model focusing applications for non limited gas components, highest flexibility and robustness all in one.

Functional Diagram

Typical Applications
As our multi-purpose analyzer the V&F AirSense is state-of-the-art for most of the applications in the following fields:
- Automotive Applications
- Food, Beverages & Tobacco Applications
- Environmental Applications
- Medical Applications
Success Stories
Automotive Industry
- Online Oil Dilution Measurement
- Gas Analysis in Fuel Cell Technology
- Ammonia and NOx Measurements in Engine Exhaust Gas
- Desulfation Strategies for Catalytic Devices
Environmental Industry - Immission
- Immission Monitoring by IMR-MS in Accordance with EPA Methods
- Monitoring Immission of Gases Near Waste Processing Plants
- Mobile Pollution Measurements in Traffic
- Monitoring Air Quality Near Petrochemical Plants
Environmental Industry - Emission
Environmental Industry - Indoor Room Air Quality
- Ambient Air Quality and Exposure Level Measurements at the Workplace
- Real Time Analysis of Indoor Air Pollutants for Photocatalytic Research
Industrial Gases Industry
- Feed Gas and Process Monitoring in CO2 Production
- Analysis of N2O, CO2 and Hydrocarbons in Pure O2
- Hydrocarbon and Other Impurities in Calibration and Specialty Gas Mixtures
Food, Beverages and Tobacco Industry
- Rapid Impurity Monitoring of Raw Milk
- Measurements of Flavour Release Using an IMR Mass Spectrometer
- Rapid Detection of Mold in Jelly
- Determination of Nut Quality
- Analysis and Quantification of Short Chain Fatty Acids in Fermentation Processes
- Control of PET Recycling (PET Flakes)
- Real Time Monitoring of Residual Styrene from Polystyrene Packing Material
- Aroma Gas Phase Analysis of Cigarette Paper
- Determination of Volatile Compounds in Cigarette Packaging
- Puff–by-Puff online Cigarette Smoke Analysis of Hoffmann Analytes
Healthcare Industry
- Non-invasive Diagnosis of Disease Using Breath Analysis
- Early Detection of Bacteria
- Real Time Monitoring of Propofol in Expired Air
- Bioavailabiltiy of Administered Pharmaceuticals
- Bad Breath After Administering Drugs
Cement Industry
- Detection of Pollutants Resulting from Cement Production
- Measurements of Emissions Produced by Burning Alternative Fuels in the Cement Industry
- Monitoring the Formation of Benzene in Cement Kiln Systems
Steel Industry
- Process Control in Steel Production
- Hazardous Impurities in Steel Process Off Gas
- Hydrogen Production in a Cyclic Ion Ore to Steel Conversion Process
Alternative Energies Industry
- Gas Analysis in Fuel Cell Technology
- Emission Reduction in Hydromethane Combustion
- Monitoring of Gasification Processes
Polymers, Tire & Rubber Industry
Measureable Compounds (excerpt)
Inorganic Compounds
Substance name | Molecular formula |
Water | H2O |
Oxygen | O2 |
Carbon dioxide | CO2 |
Carbon monoxide | CO |
Hydrogen sulfide | H2S |
Sulfur dioxide | SO2 |
Sulfur | S |
Ammonia | NH3 |
Nitrogen monoxide | NO |
Nitrogen dioxide | NO2 |
Dinitrogen monoxide | N2O |
Hydrogen chloride | HCl |
Aromatics
Substance name | Molecular formula |
Benzene | C6H6 |
Toluene | C7H8 |
Styrene | C8H8 |
Xylene / Ethylbenzene | C8H10 |
Phenol | C6H6O |
PAH’s |
Alkanes
Substance name | Molecular formula |
Methane | CH4 |
Ethane | C2H6 |
Propane | C3H8 |
Butane | C4H10 |
Pentane | C5H12 |
Hexane | C6H14 |
Heptane | C7H16 |
Octane | C8H18 |
Nonane | C9H20 |
Decane | C10H22 |
Alkenes
Substance name | Molecular formula |
Ethene | C2H4 |
Propene | C3H6 |
Butene | C4H8 |
Pentene | C5H10 |
Hexene | C6H12 |
Heptene | C7H14 |
Octene | C8H16 |
Nonene | C9H18 |
Decene | C10H20 |
1,3 Butadiene | C4H6 |
Alkynes
Substance name | Molecular formula |
Acetylene | C2H2 |
Propyne | C3H4 |
Sulfur Compounds
Substance name | Molecular formula |
Hydrogen sulfide | H2S |
Carbonyl sulfide | COS |
Sulfur dioxide | SO2 |
Carbon disulfide | CS2 |
Methyl mercaptane | CH3SH |
Ethyl mercaptane | C2H5SH |
Nitrogen Compounds
Substance name | Molecular formula |
Ammonia | NH3 |
Nitrogen monoxide | NO |
Nitrogen dioxide | NO2 |
Dinitrogen monoxide | N20 |
Alcohols
Substance name | Molecular formula |
Methanol | CH3OH |
Ethanol | C2H5OH |
Propanol | C3H7OH |
Butanol | C4H9OH |
Specifications
Technical Data | IMR-MS | Technical Data | IMR-MS |
Mass range | 7 – 519 amu | Ambient temperature | 20 °C - 35 °C |
Resolution | ‹ 1 amu | Humidity max. | 80 % (non-condensing) |
Analysis time | ›= 1 msec/amu | Gas consumption** | 30 – 3,000 ml/min |
Measuring range* | 10^5 | Gas inlet temperature | 50 °C – 190 °C adjustable |
Response time* | T90 ‹ 20 msec | Gas inlet pressure** | 0.75 – 2 bar(a) |
Lower detection limit* | 0.4 ppt | Power | 230 V/50 Hz or 115 V/60 Hz 1000 W |
Concentration drift | ‹ ± 5 % over 24 h | Dimension (WxHxD) | 534 x 806 x 639 mm |
Reproducibility | ‹ ± 3 % | Weight | 100 kg |
Accuracy | ‹ ± 2 % |
* depending on the components measured, system setup and the settings
** depending on the type of gas inlet System
Reference Customers (excerpt)











































