Products: Main Catalog

Air Sampling Products

Aethalometer®

The Aethalometer® is an instrument that uses optical analysis to determine the concentration of “Black Carbon” particles collected from an air stream passing through a filter.  These particles are produced in all combustion, but are most obvious in coal or diesel smoke. 

Aethalometer AE31

Rack Mount Aethalometer®

The Aethalometer® is the most widely used instrument for the Real-Time Measurement of Aerosol Black Carbon ('BC' or 'EC'). The Aethalometer is fully automatic and completely self-contained and has been used by scientists for more than 15 years on all 7 continents.

Aethalometer AE-42

Portable Aethalometer®

The Portable Aethalometer® is a compact version of the standard Aethalometer that includes an internal battery for mobile use and GPS option for integrated mobile tracking. Like the standard Aethalometer, the portable is fully automatic and completely self-contained.

Legacy Product Support

If you're looking for information and support for some of our legacy products, visit our legacy product support pages

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New Product Announcement

Optical Transmissometer

The OT21 Optical Transmissometer measures optical absorption by aerosol particles collected on filter media. 

Routine Maintenance Service

Now Available!

Routine preventative maintenance service ensures reliable instrument operation and data quality. Typical turnaround is 5 business days.