HKUST(GZ)

Aerodynamic Particle Sizer Spectrometer

Brand

TSI

Model

3321

Place of origin

USA

Location

NE3-303
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Main specifications

  1. Particle Size Range: 0.5 to 20 µm aerodynamic sizing, 0.37 to 20 µm optical detection (PSL equivalent);
  2. Aerodynamic Size Resolution: 0.02 µm at 1.0 µm, 0.03 µm at 10 µm;
  3. Particle Size: 32 channels per decade of particle size (logarithmic), 52 channels total; 1,024 bins of raw time-of-flight data (4 nsec per bin) in uncorrelated mode;
  4. Light Scattering (log-compressed): 16 channels of light-scattering intensity (displayed); 64 channels of raw light-scattering data;
  5. Maximum Recommended Particle Concentration: 1,000 particles/cm3 at 0.5 µm with <5% coincidence; 1,000 par ticles/cm3 at 10.0 µm with <10% coincidence; usable data up to 10,000 particles/cm3;
  6. Minimum Particle Concentration: 0.001 particle/cm3;
  7. Concentration Accuracy: ±10% of reading plus variation from counting statistics;
  8. Maximum Processing Rate for Aerodynamic Sizing:200,000 particles/sec;
  9. Sampling Time: Programmable and repeatable from 1 sec to 18 hr per sample; sampling schedules selected by user;
  10. Flow Rates: Aerosol Sample 1.0 L/min ±0.1, Sheath Air 4.0 L/min ±0.1, Total 5.0 L/min ±0.2;
  11. Atmospheric Pressure Correction: Automatic correction between 400 and 1,030 mbar (full correction between 700 and 1,030 mbar);
  12. Laser Source: 30-mW, 655-nm laser diode;
  13. Detector: Avalanche photodetector (APD);
  14. Operating Temperature: 10 to 40°C;
  15. Operating Humidity: 10 to 90% R.H., non-condensing.

Main functions

  1. Applications: Inhalation toxicology, Drug delivery studies, Atmospheric studies, Ambient air monitoring, Indoor air quality monitoring, Filter and air cleaner testing, Biohazard detection, Test aerosols characterization, Usable for particle instrument calibration, Spray technology, Performance evaluations of aerodynamic devices, Powder sizing, Basic research.
  2. Measurement Technique: Time-of-flight of individual particles measured in an accelerating flow field with a single, high-speed timing pro cessor; coincidence detection achieved using a patented, double-crest optical system; particle size binning based on internally stored calibration curve.
  3. Particle Type: Airborne solids and nonvolatile liquids.