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ACTRIS
7 record(s)
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Equivalent black carbon was measured from July 2005 till February 2007 by using a Particle Soot Absorption Photometer (PSAP). Starting from April 2007, black carbon is measured by a Multi Angle Absorption Photometer (MAAP, Model 5012 – Thermo Electron Corporation).
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Aerosol number concentration are continuously recorded at the ICO-OV from March 2008 by using a Condensation Particle Counter (TSI model 3772).
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Aerosol size distribution from 10 nm to 500 nm is measured by aDifferential Mobility Particle Sizer (DMPS) installed at ICO-OV in November 2005.
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The Differential Mobility Particle Sizer (DMPS) was installed at ICO-OV in November 2005, in collaboration with Kuopio University (Finland). The system include a Differential Mobility Analyzer (DMA) to select a narrow particle size followed by a condensation particle counter (TSI model 3010) to count individual particles: by setting different voltages in the DMA, particles of different mobility are selected and their concentration are measured.
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An integrating nephelometer (M9003 ECOTECH) is used to measure the aerosol scattering coefficient at 525 nm since May 2007.
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The Condensation Particle Counter (TSI model 3772) was installed at ICO-OV in March 2008, calibrated from TSI Laboratories. Once per year the instrument is used for a multi-ay intercomparison with the CPC running at the "Nepal Climate Observatory - Pyramid" GAW global station.
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Black carbon was measured from July 2005 till February 2007 by using a Particle Soot Absorption Photometer (PSAP). Starting from April 2007, black carbon is measured by a Multi Angle Absorption Photometer (MAAP, Model 5012 – Thermo Electron Corporation).