AeroTrak 9303 Hand Held Particle Counter

AeroTrak® Handheld Particle Counter 9303 offers the most features and flexibility for customers interested in a low cost and versatile handheld particle counter. 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 to TSI’s TrakPro™ Lite Secure Software.

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.

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.


        0.3 to 25 μm size range

        0.1 CFM (2.83 L/min) flow rate

        Up to three channels of simultaneous data

        ISO 21501-4 compliant

        USB serial output

        Compatible with TrakPro Lite Secure 

        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)


        Tracking down particle contamination sources

        Classifying clean areas

        Looking for filter leaks

        Conducting IAQ investigations