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Atmospheric Radiation Measurement (ARM) User Facility
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Capabilities / Instruments

SP2-AIR

Single Particle Soot Photometer aboard aircraft

Baseline VAP, Baseline Instrument, Guest

The single-particle soot photometer (SP2) measures the soot (black carbon) mass of individual aerosol particles by laser-induced incandescence down to concentrations as low as ng/m^3. It samples from the Counterflow Virtual Impactor (CVI) and isokinetic inlets.

Primary Measurements

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  • Arthur Sedlacek
    Lead Mentor Brookhaven National Laboratory

References

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Atmospheric Radiation Measurement (ARM) | Reviewed March 2025