Ultra-High Sensitivity Aerosol Spectrometer Airborne (UHSAS-a)

This airborne optical spectrometer measures aerosol particles in the 0.06 µm to 1 µm range.

Selected Bibliography
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  • Measures aerosols in the 60 nm to 1 µm range
  • 100-bin resolution
  • Sample flow rate: 10-100 cc/min
  • Data sampling rate: up to 10 Hz
  • Maximum count rate: 3000 particles/second
  • Real-time data viewing
  • Suitable for standard aircraft canister mount
  • Instrument weight: 31 kg
  • Power: 100-240 VAC, 47 - 63Hz 200 W
  • U.S. Patent #5,889,589
  • System includes spectrometer, shipping case, one day of training at DMT's facility, and one-year warranty


Selected Bibliography

Y. Cai, D. Montague, W. Mooiweer-Bryan, and T. Deshler, “Performance characteristics of the ultra high sensitivity aerosol spectrometer for particles between 55 and 800 nm: Laboratory and field studies,” Journal of Aerosol Science 39 (2008) 759-769. link 
C. A. Brock, J. Cozic, R. Bahreini et al. "Characteristics, sources, and transport of aerosols measured in spring 2008 during the aerosol, radiation, and cloud processes affecting Arctic Climate (ARCPAC) Project." Atmos. Chem. Phys., 11, 2423–2453, 2011. doi:10.5194/acp-11-2423-2011. link 
Moore, R. H., Bahreini, R., Brock, C. A., Froyd, K. D., Cozic, J., Holloway, J. S., Middlebrook, A. M., Murphy, D. M., and Nenes, A. "Hygroscopicity and composition of Alaskan Arctic CCN during April 2008" Atmos. Chem. Phys. Discuss., 11, 21789-21834, doi:10.5194/acpd-11-21789-2011, 2011. link 
R. Yokelson, I. R. Burling, S. P. Urbanski, E. L. Atlas, K. Adachi, P. R. Buseck, C. Wiedinmyer, S. K. Akagi, D. W. Toohey, and C. E. Wold, “Trace gas and particle emissions from open biomass burning in Mexico,” Atmos. Chem. Phys. Discuss. 11, 7321-7374, 2011. doi:10.5194/acpd-11-7321-2011. link 
Akua Asa‐Awuku, Richard H. Moore, Athanasios Nenes, Roya Bahreini, John S. Holloway, Charles A. Brock, Ann M. Middlebrook, Thomas B. Ryerson, Jose L. Jimenez, Peter F. DeCarlo, Arsineh Hecobian, Rodney J. Weber, Robert Stickel, Dave J. Tanner, and Lewis G. Huey. "Airborne cloud condensation nuclei measurements during the 2006 Texas Air Quality Study." J. of Geophys. Res., Vol. 116, D11201, doi:10.1029/2010JD014874, 2011. link
R. Yokelson, S. Urbanski, E. Atlas, D. Toohey, E. Alvarado, J. Crounse, P. Wennberg, M. Fisher, C. Wold, T. Campos, K. Adachi, P. R. Buseck and W. M. Hao. "Emissions from forest fires near Mexico City." Atmos. Chem. Phys. Discuss. 7, 6687–6718, 2007. link