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Instrument

UHSAS
Ultra-High Sensitivity Aerosol Spectrometer

The Ultra-High Sensitivity Aerosol Spectrometer (UHSAS) is an in situ spectrometer manufactured by Droplet Measurement Technologies. It can be utilized on both airborne and ground-based platforms to measure aerosol size distribution and concentration. UHSAS determines the particle size by detecting the peak light signals of the aerosol particles which are illuminated by a 1054 nm laser. UHSAS can sample particles within the 60 - 1000 nm size range and has a sampling frequency of 10 Hz.

Image of the UHSAS on the top right
NASA's DC-8 flying laboratory passes Antarctica's tallest peak, Mount Vinson, on Oct. 22, 2012, during a flight over the continent to measure changes in the massive ice sheet and sea ice. Credit: NASA/Michael Studinger (Photography courtesy NASA Images)

Instrument Details

Spectrometer/Radiometer
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Troposphere
10 Hz
Point
284 THz
External Linkhttps://doi.org/10.2172/1251410
G-1

Gulfstream-159

1 Campaign · 26 Instruments

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External Link10.3334/ORNLDAAC/1619
External Link10.3334/ORNLDAAC/1671
External Linkhttp://dx.doi.org/10.5067/GRIP/LARGE/DATA201