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Since the first Model 3000 Whitby Aerosol Analyzer was produced in 1967, TSI Particle
Instruments have been used to shape and change methods of aerosol research. Our
Model 3000 was the first automated means of characterizing submicrometer aerosols,
scanning the aerosol quickly to determine size distribution data. There have been
other TSI breakthroughs, too. Like the first production-model, single-particle-counting,
continuous-flow condensation nucleus counter (Model 3020), the first spectrometer
to size particles by aerodynamic diameter (Model 3300), and the first commercially
available differential mobility analyzer (Model 3071).
Our time line clearly illustrates a commitment to product
evolution. For example, the Model 3000 was the precursor to several submicrometer
aerosol characterization systems, including our newest high-resolution Model 3936-series
Scanning Mobility Particle Sizers. The old 3020, a staple in research labs for over
10 years, has now developed into a family of six new-generation Condensation Particle
Counters. And the Model 3300 went through several redesigns, evolving into the Model
3321 Aerodynamic Particle Sizer® spectrometer -- the first instrument to measure
aerodynamic diameter and light-scattering intensity simultaneously.
That commitment to product evolution remains. We continue to update our line of
Particle Instruments, applying new technologies to improve existing products, and
working with scientists at the forefront of aerosol research to develop new instruments
for our catalog.
To Learn More
Use the navigation bar to learn about Particle Instruments products, applications,
and events. If you have questions about instrument applications and specifications,
contact your TSI representative. Questions regarding
operation, service, replacement parts, or calibration services for your existing
instruments should be directed to a customer support
specialist.
Timeline*
1960s | 1970s | 1980s
| 1990s | 2000s
- 1961
- TSI is incorporated; develops first product: hot-wire anemometer
- 1966
- TSI begins developing particle instrumentation
- 1967
- First TSI particle instrument: 3000 Whitby Aerosol Analyzer
- 1969
- 3100 Electrostatic Sampler
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1970
- EPA formed under U.S. Clean Air Act
- 1972
-
TSI builds atmospheric aerosol lab for CARB
-
TSI participates in AChEx
- GAeF founded
- 1973
-
3050 Vibrating Orifice Aerosol Generator
- TSI builds atmospheric aerosol lab for EPA
- 1974
- 3030 Electrical Aerosol Analyzer
- 1975
-
TSI participates at third GAeF meeting
- 3500 Piezobalance® Respirable Aerosol Mass Monitor†
- 1976
-
3076 Atomizer
-
3071 Electrostatic Classifier
- 3040 Diffusion Battery
- 1979
-
3400 Fluidized Bed Aerosol Generator
- 3020 Condensation Nucleus Counter - World's first single-particle-counting condensation
nucleus counter!

- 1980
- Prototype Aerodynamic Particle Sizer® spectrometer (First TSI instrument interfaced
to a personal computer.)
- 1982
-
3300 Aerodynamic Particle Sizer® spectrometer
-
3450 Vibrating Orifice Aerosol Generator
- TSI participates at first AAAR conference
- 1983
- 3932 Differential Mobility Particle Sizer
- 1986
-
3433 Small-Scale Powder Disperser
- 3760 Condensation Nucleus Counter (World's first small, rugged CNC!)
- 1987
-
3310 Aerodynamic Particle Sizer® spectrometer
- 8160 Automated Filter Tester
- 1988
-
3022 General-purpose Condensation Particle Counter
- 8110 Automated Filter Tester
- 1989
- 3025 Ultrafine Condensation Particle Counter

-
1990
- 8120 Automated Respirator Tester
- 1992
- 3010 Compact Condensation Particle Counter
- 1993
-
3934 Scanning Mobility Particle Sizer™ Spectrometer
- 8127 Automated Filter Tester
- 1994
-
3931 Diffusion Particle Sizer
-
3551/3563 Integrating Nephelometers
-
8130 Automated Filter Tester
-
8135 Automated Filter Tester
- 3475 Condensation Monodisperse Aerosol Generator†
- 1995
-
8122 Automated Respirator Tester
- 8108 Large-Particle Aerosol Generator
- 1996
- 3314 Ultraviolet Aerodynamic Particle Sizer® Spectrometer
- 1997
- 3320 Aerodynamic Particle Sizer® spectrometer
- 1998
-
Aerosol Instrument Manager® software
-
3080-series Electrostatic Classifiers
-
3936-series Scanning Mobility Particle Sizers
-
3085 Nano Differential Mobility Analyzer
- 3480 Electrospray Aerosol Generator
- 1999
-
3220 Aerosizer® DSP Particle Size Analyzer
- 3800 Aerosol Time-of-Flight Mass Spectrometer

- 2000
-
3980 GEMMA Macromolecule Analyzer
- 3160 Fractional Efficiency Filter Tester
- 2001
-
3007 Hand-held Condensation Particle Counter
-
3089 Nanometer Aerosol Sampler
-
3321 Aerodynamic Particle Sizer® Spectrometer
- 3065 Low-flow Thermodenuder†
- 3070A Electrical Aerosol Detector
- 2003
-
3034 Scanning Mobility Particle Sizer™ Spectrometer
-
3603 Particle Size Distribution Analyzer
-
3090 Engine Exhaust Particle Sizer™ Spectrometer
- 3801-030 Aerodynamic Focusing Lens
- 2004
- 3785 Water-based Condensation Particle Counter†
- 3091 Fast Mobility Particle Sizer™ Spectrometer
- 3786 Ultrafine Water-based Condensation Particle Counter†
- 3800-030 Aerosol Time-of-Flight Mass Spectrometer
- 3800-100 Aerosol Time-of-Flight Mass Spectrometer
- 3010D Condensation-Particle Counter for PMP
- 2005
- 3782 Water-based Condensation Particle Counter†

Key to acronyms
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AAAR |
American Association for Aerosol Research |
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AChEx |
Aerosol Characterization Experiment, California |
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CARB |
California Air Resources Board |
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EPA |
Environmental Protection Agency |
|
GAeF |
Gesellschaft für Aerosolforschung |
*Many of these products are obsolete.
†TSI was or is an authorized distributor
for these products.
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