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  • Airy Technology P231 Remote Particle Counter

Airy Technology P231 Remote Particle Counter

SKU: P231
Condition: New
Weight: 2.00 LBS
Shipping: Calculated at checkout

Product Description

Airy Technology's P231 remote particle counter can measure 5.0 and 0.5µm with a 0.1 CFM (2.83 LPM) flow rate.

Integration is easy into a real-time monitoring or building management system via Modbus™ RTU or Modbus™ ASCII. 

The P231 is the smallest remote particle counter in the market and has easy mounting options. The Airy P231 complies with ISO 21501-4 and includes a 2 year limited warranty.

  • Measures 0.5 - 5.0 µm
  • Flow rate of 0.1 CFM - (2.83 LPM)
  • Simultaneously measure 2 channels of data
  • Long lasting laser diode
  • Modbus RTU or Modbus ASCII outputs
  • Large LCD color display
  • Concentration limit 500,000 per cubic foot
  • ISO 21501-4 & JIS B9921 standard compliant
  • Stainless steel lightweight enclosure
  • 2 yr. limited warranty
Channel Sizes 0.5 µm and 5.0 µm
Counting Efficiency 50% at 0.5 μm; 100% for particles > 0.75 μm (per JIS)
Concentration Limit 500,000 particles / ft3 at 5% coincidence loss
Light Source Long Life Laser Diode
Zero Count Level <1 count / 5 minutes (per JIS B9921)
Size Resolution <15% at 0.7 μm (per ISO 21501-4)
Flow Rate 1.0 CFM (28.3 LPM)
Flow Control Critical orifice
Vacuum Requirements External vacuum >15” (38.1 cm) of Hg
Calibration NIST traceable
Sample Probe/Tubing Isokinetic sampling probe
Communication Interface Modbus™ RTU or Modbus™ ASCII outputs (specified upon order)
Power 9-30 VDC
Dimensions (L x W x H) 1.8” x 3.7“ x 1.5” (4.5 cm x 9.3 cm x 3.8 cm) does not include probes
Weight 0.62 lb (0.28 kg)
Standards ISO 21501-4 and JIS B9921
Warranty 2 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 Isokinetic sampling probe and user manual
Optional Accessories Purge filter, data cable, vacuum and sample tubing

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