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Cambustion AAC front view showing touchscreen, transparent top showing classifier

AAC | Aerodynamic Aerosol Classifier

The Aerodynamic Aerosol Classifier

Launched in 2016, the Aerodynamic Aerosol Classifier is a unique aerosol instrument, capable of classifying particles between 25 nm and >5,000 nm (PM5) according to their aerodynamic diameter.

The AAC does not require the particles to be electrically charged (no radioactive or X-ray source is required for operation), which makes it simply the best way to produce a monodisperse aerosol.

¾ view of the Cambustion AAC
Rear view of the Cambustion AAC


Instrument calibration - e.g. optical devices such as Optical Particle Counters (OPCs) and WIBS

Classification of particles by aerodynamic diameter (e.g. inhalation studies, as an inlet to aerosol mass spectrometers).

Filter & facemask penetration efficiency testing by aerodynamic diameter.

Improved alternative to the Differential Mobility Analyzer (DMA) for producing a truly monodisperse aerosol.

Combine with a Condensation Particle Counter (integrated digital interface) to produce true aerodynamic size distributions over a wider size range and with better transmission efficiency than other devices such as the Scanning Mobility Particle Sizer (SMPS) which operates in the electrical mobility regime and is consequently limited by charging efficiency / charging artefacts.

Key Application Notes

TitleData TypeDownload FileSizeLast Updated
TitleUsing the Aerodynamic Aerosol Classifier (AAC) as a low-pass separatorData TypeApplication noteDownload Fileaac04v01-using-the-aac-as-a-low-pass-separator.pdfSize911.90 KBLast Updated
TitleMeasuring size-resolved particle penetration through face mask materialsData TypeApplication noteDownload Fileaac03v03-size-resolved-particle-penetration-face-masks.pdfSize708.53 KBLast Updated

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