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    TOTAL CARBON ANALYZER, MODEL TCA08

    MAGEE SCIENTIFIC AETHALOMETER® MODEL AE33

    SOOTSCAN™ MODEL OT21 OPTICAL TRANSMISSOMETER

    DRI MODEL 2015

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OUR STORY

Home » Our Story

OUR STORY

Research into methods for the real-time measurement of light absorbing aerosols began in Berkeley in 1978.  The first-ever Aethalometer® was deployed in a field study in the summer of 1980: the first aircraft measurements were made in 1982, and in 1986 an Aethalometer started making measurements of aerosol Black Carbon at the most remote location on the planet, the South Pole Observatory.  Magee Scientific Company was established that same year to further develop and commercialize the Aethalometer, and make it available to the aerosol research and monitoring community.  Aethalometers have been used in increasing numbers over the years: almost 2,000 instruments have been delivered to locations on all 7 continents, and more than 7,400 publications using Aethalometer data have been published in the open scientific literature.

The History of the Aethalometer®

The Aethalometer is the instrument most-used in the world for the real-time measurement of light absorbing Black (or ‘Elemental’) carbon aerosol particles.  Almost two thousand Aethalometers have been delivered to locations on all seven continents – from the Sahara Desert to the South Pole, from Brazil to Tibet, from the streets of New York City to the mountaintop of Mauna Loa, Hawaii.

In 1979 the Aethalometer was first conceptualized; prototypes were developed during the 1980’s for research projects at remote locations.

In 1986, Magee Scientific was formed and the first commercial unit was delivered.

In 1995, production was transferred to Europe.

In 1997, the basic AE16 Aethalometer measuring aerosol Black Carbon at 880 nm was joined by models offering optical analysis at additional wavelengths.  The AE21 series added analysis in the near-ultraviolet at 370 nm, which had been found to respond with great sensitivity to aromatic organic species found in wood smoke and tobacco smoke.  The AE31 series introduced optical analysis at 7 wavelengths from 370 nm to 950 nm.  Analysis across the optical spectrum has found widespread application in studies of source apportionment, atmospheric optics, and radiative transfer.

In 2001, the AE42 Portable Aethalometer was announced, offering the same electronics, analytical performance and instrument features: but packaged in a smaller chassis with an internal battery for mobile operation.  This extended the applications in the area of public health, epidemiological studies, and field work.  The AE42 enabled real-time measurements of carbon particulate concentrations on buses and trains, in living and working areas, in hospitals, airports and other public spaces; and mobile mapping.

In 2002, the ‘Extended Range’ option was offered on all models for enhanced performance in locations of high aerosol concentration, as an alternative to the original ‘High Sensitivity’ version.

In 2007, the company “Aerosol” was established in Ljubljana, Slovenia, to concentrate exclusively on the science, technology and commercialization of instrumentation for carbonaceous aerosol measurements.

In 2008, we started with the development of a new Aethalometer: the ‘Next Generation’ Model AE33.  This incorporated scientific and technical advances designed to offer greatly improved measurement performance, user features, communications and interface: and built-in features to perform routine performance tests and data quality validation.  Most importantly, the new instrument incorporated the patented DualSpot™ measurement method.  This provides two significant advantages: elimination of the changes in response due to ‘aerosol loading’ effects; and a real-time calculation of the ‘loading compensation’ parameter which offers insights into aerosol optical properties.

In 2012, the Model AE33 was released after extensive development and testing in conjunction with leading research institutes in Europe.

In 2015, we obtained a license from the Desert Research Institute (Reno, NV, USA) to manufacture and commercialize the “DRI-2015” Multi-Wavelength Thermal Carbon Analyzer.

In 2017, we announced the Total Carbon Analyzer, Model TCA-08.  This revolutionary instrument measures the Total Carbon Content (TC) of suspended aerosol particles in real-time for monitoring and scientific applications.

In 2020, we released the Carbonaceous Aerosol Speciation System CASS – A revolutionary OC/EC Analyzer and the Magee Scientific Aethalometer® model AE43 – NEW portable Black Carbon Monitor.

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1977

Optical attenuation method developed

1979

Aethalometer concept developed; research prototype

1980

First field test, first publication

1980

Measurements of BC at remote locations as tracer for long-range atmospheric circulation

1986

Recognition of importance of BC as tracer for the adverse health effects of diesel exhaust

1996

Manufacturing starts in Slovenia under OEM contract: AE16 (1 wavelength); AE21 (2 wavelengths); AE31 (7 wavelengths).

2000

Recognition of importance of BC aerosols for climate change forcing

2001

US EPA / ETV approval of AE31 Aethalometer

2007

Aerosol Co. founded in Slovenia for development of Aethalometers

2009

Development of “MicroAeth”

2010

‘Pattern Approval’ of AE31 Aethalometer in PR China

2012

New model AE-33 Aethalometer released

2014

US EPA / ETV approval of AE33 Aethalometer

2015

License obtained from DRI to manufacture ‘DRI-2015’ multi-wavelength thermal carbon analyzer

2017

Total Carbon Analyzer released

2020

Release of two new products, CASS and Magee Scientific Aethalometer® model AE43

MAGEE SCIENTIFIC

Magee Scientific is the originator of the Aethalometer®  the most-widely-used instrument for the real-time measurement of Black Carbon aerosol particles in the atmosphere.

AEROSOL

Aerosol Company is the developer and manufacturer of Magee Scientific instruments.

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Aerosol Co.
Ljubljana, SI (Europe)
+386 1 4391 700

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Berkeley, CA (USA)
+1 510 845 2801

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