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Particle Counter | AeroTrak Handheld Particle Counter

Handheld Particle Counter

Product Code:

Need more Info? (514) 354-2511 - 1-800-463-4363

The TSI AEROTRAK™ 9303 Handheld Particle Counter offers the most features and flexibility for customers interested in a low cost and versatile handheld particle counter. The Model 9303 features a sturdy yet lightweight high-impact injection-molded plastic design for easy handling. The instrument is easy to configure using an intuitive keypad. The internal memory can store up to 1,500 sample records of particle count data which can be conveniently viewed on screen or downloaded using a USB port. The instrument reports up to three particle sizes simultaneously. The middle channel is user selectable for either 0.5, 1.0, 2.0, or 2.5 μm.

The Model 9303 complies with all the stringent requirements set forth in ISO 21501-4. It is calibrated with NIST traceable PSL spheres using TSI’s world-class Classifier and Condensation Particle Counters, the recognized standard for particle measurements. Backed with TSI’s long-standing reputation for high quality, the Model 9303 sets the standard for basic particle counters in the market today.

Features and Benefits
  • AEROTRAK 9303: 0.3 to 25 μm
  • 0.1 CFM (2.83 L/min) flow rate
  • Up to three channels of simultaneous data
  • ISO 21501-4 compliant
  • USB serial output
  • 1,500 sample record storage
  • 250 location labels
  • Large 3.2-inch (8.1-cm) display
  • On screen data review
  • User selectable middle size channel
  • Removable Li-ion battery
  • Intuitive keypad menus
  • High impact injection molded plastic
  • Lightweight - only weighs 1.3 lbs (0.58 kg)


Size Range 0.3 to 25 μm
Particle Channel Sizes 0.3 μm and 5.0 μm fixed; 0.5, 1.0, 2.0, or 2.5 μm selectable middle channel
Size Resolution <15% @ 0.5 (per ISO 21501-4 requirements)
Counting Efficiency 50% at 0.3 μm; 100% for particles >0.45 μm (per ISO 21501-4 and JIS)
Concentration Limits 3,400,000 particles/ft3 (120,000,000/m3) @ 10% coincidence loss
Light Source Long life laser diode
Zero Count Level <1 count /5 minutes (per ISO 21501-4 and JIS B9921)
Flow Rate 0.1 CFM (2.83 L/min)
Calibration NIST traceable with TSI calibration system
Sampling Modes Manual and automatic
Sampling Time 1 second to 99 minutes 59 seconds
Sampling Frequency 1 to 999 cycles or continuous
Exhaust Internally HEPA filtered
Vacuum Source Internal pump
Communication Mode USB serial output
Data Storage 1,500 sample records
Status Indicators Low battery, and service
Display 3.2-inch (8.1-cm) 160 x 160 monochrome LCD
External Surface High impact injection molded plastic
Power 110 to 240 VAC, 50 to 60 Hz universal in-line power supply with country specific plugs
Battery Removable/rechargeable Li-Ion
Battery Life Up to 4.5 hours of continuous use
Recharge Time <3 hours
(L x W x D)
9.1 in. x 4.4 in. x 2.5 in. (23 cm x 11.2 cm x 6.4 cm), (without isokinetic inlet)
Weight 1.3 lbs (0.58 kg) with battery
Standards ISO 21501-4, CE, JIS B9921
Warranty One-year, extended warranties available
Operating Conditions 41°F to 95°F (5°C to 35°C) 20% to 95% noncondensing
Storage Conditions 32°F to 122°F (0°C to 50°C) Up to 98% noncondensing
Included Accessories Operating manual on CD, power supply, battery, isokinetic inlet, purge filter, USB cable and TrakPro™ Lite Secure software
Optional Accessories Spare battery, isokinetic probe, sample tubing and carrying case
Specifications are subject to change without notice.
AeroTrak, TSI and the TSI logo are registered trademarks, and TrakPro is a trademark of TSI Incorporated.


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