Handheld Particle Counter - P311

  • Handheld Particle Counter
  • Handheld Particle Counter
  • Handheld Particle Counter
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• 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)
• Concentration limit of 4,000,000 per ft³
• Power: DC 5V 1A (Mini USB TYPE-B)
• Operating Temperature: 5 to 35°C
• Operating Humidity: 20% to 95%RH non-condensing

  • Model Number: P311
  • Data Sheet: Date Sheet File
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Product Specification

Handheld Particle Counter
Model P311

The 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 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.

P311 Handheld Particle Counter Features & Benefits
• 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
• 1 year limited warranty


P311 Handheld Particle Counter Specifications

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% at 0.3 µm; 100% for particles > 0.45 µm (per JIS)
Concentration Limits
4,000,000 particles / ft 3 at 5% coincidence loss
Light Source
Long life laser diode
Zero Count Level
<1 count / 5 minutes (per JIS B9921)
Flow Rate
0.1 CFM (2.83 LPM)
Calibration
NIST traceable
Sample Probe/Tubing
Isokinetic sampling probe and probe for tubing
Sampling Modes
Manual, automatic, ISO 1 , 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 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, Up to 98%RH non-condensing
Included Accessories
Operating manual on USB Key, AC adapter, isokinetic inlet, probe for tubing, USB
cable, purge filter, data download software, 4 x AA batteries with charger, calibration 
certificate, & carrying case

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