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Handheld Particle Counters

TSI AeroTrak® Handheld Particle Counters offer many of the same advantages of comparable larger instruments to monitor cleanroom environments

AeroTrak Handheld Particle CountersBeing lightweight and easy to carry, they are well-suited for cost-effective spot checking. It is the ideal way to:

  • Pinpoint sources of contamination
  • Test filters
  • Perform indoor air quality (IAQ) investigations

All TSI AeroTrak Handheld Particle Counters comply with ISO 21501-4. AeroTrak Handheld Particle Counter Model 9306 measures up to six channels of simultaneous data; Model 9303 monitors up to three channels.

Model Selection Guide

Model Flow Rate Channel Size Options Manufacturing Application
9303 0.1 CFM (2.83 LPM) 0.3 µm and 5.0 µm fixed; 0.5, 1.0, 2.0, or 2.5 µm selectable middle channel


9306 0.1 CFM (2.83 LPM)  0.3, 0.5, 0.7, 1.0, 2.0, 5.0 µm
0.3, 0.5, 1.0, 3.0, 5.0, 10.0 µm
0.3 to 10 µm, user-selectable; 
factory calibrated at 0.3, 0.5, 1.0, 3.0, 5.0, 10.0 µm

AeroTrak Handheld Particle Counter 9306

Flow Rate 0.1 CFM (2.83 L/min) ±5% accuracy / Particle Size Range 0.3 to 25 µm

AeroTrak Handheld Particle Counter 9303

Flow Rate 0.1 CFM (2.83 L/min) / Particle Size Range 0.3 to 25 µm

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