Resources
TSI PSD 3603 (Aerosizer)
- Current Status: Up
The Ahmherst Process Instrument Co. Inc. Aerosizer measures particles one at a time in the range of 0.20 - 700 microns. The particles may be in the form of a dry powder or may be sprayed from a liquid suspension as an aerosol. The particles are blown through the system and dispersed in air to a preset count rate. The Aerosizer operates on the principle of aerodynamic time of flight. The particles are accelerated by a constant, known force due to airflow and are forced through a nozzle at nearly sonic velocity. Smaller particles are accelerated at a greater rate than large particles due to a greater force-to-mass ratio. Two laser beams measure the time of flight through the measurement region by detecting the light scattered by the particles. Statistical methods are used to correlate the start and stop times of each particle in a particular size range (channel) through the measurement zone. The time of flight is used in conjunction with the density of the particles and calibration curves established by Amherst (see: Aerosol Science & Technology 29:433-441, 1998) to determine the size distribution of the sample.
Next Training Session
12/21/2009 5:30:00 PM until 6:00:00 PM
Request Alternate Training Time
Reservation Calendar
To change the week displayed below, click a day within the week desired using the calendar to the left. To reserve time, click the space below corresponding to the day and time you would like your reservation to start. Note: If your are not logged in, you will be prompted to login before the next step.
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