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Cambustion CPMA front view showing touchscreen and operation buttons, transparent top showing centrifuge

CPMA | Centrifugal Particle Mass Analyzer


Second generation

Adopted around the world since 2012, The Centrifugal Particle Mass Analyzer (CPMA) allows direct classification of aerosol by mass:charge ratio, with an unrivalled transfer function.

The CPMA uses opposing electrical and centrifugal fields to classify particles, with the ability to vary the electrical field and rotation speed to select different particle masses.

Unique features of the CPMA (see the animation for details) allow a very high transmission efficiency of aerosol particles with the selected mass, making the CPMA attractive for a range of applications.

With a touchscreen display and a variety of interfacing options, the CPMA is self contained, with no setup required- only electrical power needs to be connected before the CPMA can be run. The CPMA can record data to a USB drive, and supports analogue and digital interfacing with a variety of CPCs, electrometers and other devices.

The CPMA classifier can easily be dissembled for cleaning by the user, the whole process taking less than 1 hour. All necessary tools are included. This makes the CPMA well suited to high concentration / longer duration experiments, and field or laboratory studies.

The CPMA uses standard sealed bearings, for maintenance free operation.

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Key Application Notes

TitleData TypeDownload FileSizeLast Updated
TitleUse of the Cambustion CPMA for absolute mass calibration of the Single Particle Soot Photometer (SP2)Data TypeApplication noteDownload Filecpma04v02-mass-calibration-sp2.pdfSize886.52 KBLast Updated
TitleUse of the Cambustion CPMA to provide a mass monodisperse aerosolData TypeApplication noteDownload Filecpma01v01-mass-monodisperse-aerosol.pdfSize479.63 KBLast Updated
TitleDensity and Mass Mobility Exponent Determination with the CPMAData TypeApplication noteDownload Filecpma02v01-mass-mobility-exponent.pdfSize878.17 KBLast Updated

Support & downloads

CPMA Igor Pro toolkit for data presentation

This utility requires Igor Pro 7 for PC or Mac. It is provided free to the community with no implied warranty. Download the .zip file, unzip and open the README.txt file for details of how to use.

Data inversion algorithm for CPMA-SP2

The utility requires Igor Pro 7 for PC or Mac. It is provided free to the community with no implied warranty. Download the .zip file, unzip and open the README.txt file for details of how to use.

Aerosol Flow Meter Accessory

Cambustion also offers an aerosol flow meter accessory for the CPMA. This offers realtime measurement of the aerosol flow (via orifice delta P) and interfaces with the CPMA for power and data output.

Contact Cambustion for more information.

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