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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 |
|
| 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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