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Airy Technology P311 Particle Counter
Airy Technology P311 Particle Counter
Airy Technology P311 Particle Counter
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Price: $1,795.00
Sale Price: $1,705.25

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Availability: Subject to availability
Product Code: P311

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Airy Technology P311 Particle Counter

The Airy Technology P311 measures a range of particles from 0.3 to 5.0 μm and is equipped with 3 channels available in a variety of configurations. The user can specify measurement size for each of the three channels prior to delivery of the system. The P311 has automatic flow at a rate of 0.1 CFM (2.83LPM). It has a size resolution of less than 15% at 5.0 μm, which complies with ISO 21501-4 standards. The Airy P311 Handheld Particle Counter is lightweight and portable for streamlined testing wherever you need it.

The P311 has a sampling time of 1 second to 99 minutes and 59 seconds (time span of one sample collection). Frequency can be adjusted from 1 to 1,999 cycles (how many samples that are taken in one test). The Airy Technology P311 features five modes: Manual, Automatic, ISO, Cumulative/Differential, and Count/Concentration:

  • Manual allows for the user to stop gathering measurements at the push of a button
  • Automatic allows for the user to enter a sampling time and a frequency that dictate how many samples will be taken before the P611 stops on its own
  • ISO calculates standard deviation, average, and 95% UCL. The user must input the area of the clean room and the P611 will calculate the minimum amount of sampling locations and the amount of sampling time for each location. Validates class 5-9 at 0.3-5.0 μm, excluding 5.0 μm
  • Cumulative/Differential will produce the amount of particles equal to or larger than the desired size and the number of particles between the desired size and the next size up
  • Count/Concentration will accumulate and update the data every six seconds. This mode must be manually stopped

The P311 can store up to 8,000 samples in the on board memory. Measurements can be downloaded or exported through a USB cable to a PC with the included data download software. The Airy P311 complies with all ISO 21501-4 and JIS B9921 standards, and is calibrated to NIST traceable standards.


  • Trend Tracking
  • Filter Testing
  • Clean room monitoring
  • IAQ Investigation


  • Airy Technology Handheld Particle Counter P311
  • AC adapter
  • Isokinetic inlet
  • Probe for tubing
  • USB cable
  • Zero filter
  • Data Download Software
  • 4 x AA batteries with charger
  • Calibration certificate
  • Carrying case

Warranty Information

The Airy Technology P311 Particle Counter carries a 1-year warranty.

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