Large Color DisplayLightweight & StreamlinedCarrying Case

Airy Technology Particle Counter P311

The Airy Technology P311 handheld particle counter measures 0.3 µm to 5.0 µm with a flow rate of 0.1 CFM (2.83 LPM).
With excellent quality and reliable performance, the Airy Technology P311 is the best priced handheld particle counter in the market.

SKU: P311 Categories: ,


ISO Cleanroom Certification (ISO Class 4>)
Point Measurements at Cleanrooms
Particle Source Investigation
Filter Testing
Indoor Air Quality Investigations
Quality Control


Three Channel Particle Counter:

    Channel 1: 0.3/0.5 μm;
    Channel 2: 0.5/1.0/2.0/2.5 μm;
    Channel 3: 5.0 μm

Selectable Middle Channel: 0.5, 1.0, 2.0, or 2.5 μm
Large Color Display: 3.5″ (8.9 cm) 320 x 240 Color LCD
Cumulative and Differential Count
Maximum Concentration: 4,000,000 particles / ft3 @ 5% coincidence loss
Data Download Software Included
USB for Data Download
Buffer Memory: 8,000 Records
View Saved Data on the Display
Measure by Count, /m3, or / ft3


Counting Efficiency: 50% @ 0.3 μm; 100% for particles >0.45 μm per JIS
Light Source: Long Life Laser Diode
Zero Count Level: <1 count / 5 minutes (<2 particles / ft³) (per ISO 21501-4 & JIS) Size Resolution: <15% at 0.5 μm (per ISO 21501-4) Flow Rate: 0.1 CFM (2.83 LPM) Flow Rate Control: Automatic flow control Calibration: NIST traceable Sample Probe/Tubing: Isokinetic sampling probe and probe for tubing Sampling Modes: Manual, automatic, ISO¹, cumulative, differential, count/concentration Sampling Time: 1 second to 99 minutes 59 seconds (configurable) Sampling Frequency: 1 to 1,999 cycles or continuous (configurable) Sample Output: Internal HEPA filter Vacuum Source: Internal Pump Data Storage: 8,000 sample records Power: DC 5V 1A (Mini USB TYPE-B) Battery: Removable AA Ni-MH Dimensions: (L x W x H) 7” x 3.5” x 1.9” (17.8 cm x 9 cm x 4.7 cm) does not include probes Weight: 1.26 lb (.57 kg) Standard:s ISO 21501-4 and JIS B9921 Operating Conditions: 5° to 35° C 20% to 95%RH non-condensing Storage Conditions: -20° to 50° C 20% Up to 98%RH non-condensing

Included Accessories

AC Adaptor, Isokinetic Inlet, USB Cable, Zero Filter, Software, 4 x AA Batteries with Charger, Calibration Certificate, Quick Guide, Operating Manual on CD, Carrying Case

Warranty: 1 year limited warranty


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