TSI Incorporated is proud to announce the launch of the 3340 Laser Aerosol Spectrometer. The Model 3340 is a high resolution multi-purpose airborne particle sizer that can measure particles from 0.09 to 7.5 microns at concentrations up to 18,000 particle/cm3. Complete size distributions are measured in less than a second with up to 100 user configurable channels of data. This instrument features an on-board PC and is suitable for many applications including Filter Testing, Indoor Air Quality Studies, Atmospheric Research and Monitoring, and Inhalation Toxicology and Exposure Monitoring.