Airy Technology, Inc.

- Model P311 - Handheld Particle Counter

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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). Only 1.26 lb (0.57 kg), user-friendly and easy to configure, this handheld particle counter displays up to 3 size channels on its 3.5” LCD display. The Airy Technology P311 stores 8,000 sample records that can be viewed on the unit or on a computer via USB cable. The P311 complies with ISO 21501-4 and includes a one year warranty. With excellent quality and reliable performance, the Airy Technology P311 is the best priced handheld particle counter in the market.

  • Size Range : 0.3 to 5.0 μm
  • Channel Sizes : Channel 1: 0.3/0.5 μm; Channel 2: 0.5/1.0/2.0/2.5 μm; Channel 3: 5.0 μm
  • Counting Efficiency : 50% @ 0.3 μm; 100% for particles >0.45 μm per JIS
  • Concentration Limit : 4,000,000 Particles/ft³ @ 5% coincidence loss
  • 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
  • Communication Interface : USB
  • Data Storage : 8,000 sample records
  • Display : 3.5″ (8.9 cm) 320 x 240 Color LCD
  • 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)
  • Standards : ISO 21501-4 and JIS B9921
  • Warranty : 1 year limited warranty
  • 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
  • Accessories : Operating manual on CD, AC adapter, isokinetic inlet, USB cable, purge filter, data download software, 4 x AA batteries with charger, calibration certificate, carrying case.
  • Optional Accessories : Barbed fitting hose adapter

  • Measures 0.3 µm to 5.0 µm
  • 0.1 CFM (2.83 LPM) flow rate
  • Measures 3 channels of simultaneous data
  • Weighs only 1.26 lb (0.57 kg)
  • Long life laser diode
  • USB output
  • Removable and rechargeable AA batteries
  • Includes carrying case, battery charger and download software
  • Stores up to 8,000 sample records and 199 sample locations
  • View data recorded on-screen or via computer
  • Large color LCD display
  • Concentration limit of 4,000,000 per ft³
  • Complies with ISO 21501-4 and JIS B9921 standards
  • Lightweight high-impact injection molded plastic enclosure
  • Easy to clean and wipe down
  • Internal audible alarm
  • 1 year limited warranty

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