P231 Remote Particle Counters

P231 Remote Airborne Particle Counters

1.0 CFM (28.3 LPM)

The Airy Technology® P231 remote particle counter measures 0.5 μm and 5.0 μm with a flow rate of 0.1 CFM (2.83 LPM). Integration is easy into a real-time monitoring or building management system via Modbus™ RTU or ASCII.

The P231 is the smallest remote particle counter in the market and has easy mounting options.

The Airy Technology® P230 complies with ISO 21501-4 and includes a 1 year limited warranty.

World's smallest 1 CFM remote particle counter
Measures 0.5 μm and 5.0 μm
1.0 CFM (28.3 LPM) flow rate
Measures 2 channels of simultaneous data
Long life laser diode
Modbus™ RTU or ASCII outputs
Concentration limit of 500,000 per ft3
Complies with ISO 21501-4 and JIS B9921 standards
Lightweight stainless steel enclosure
Easy to clean and wipe down
1 year limited warranty
Channel Sizes0.5 μm and 5.0 μm
Counting Efficiency50% at 0.5 μm; 100% for particles > 0.75 μm (per JIS)
Concentration Limits500,000 particles / ft3 at 5% coincidence loss
Light SourceLong life laser diode
Zero Count Level<1 count / 5 minutes (per JIS B9921)
Flow Rate1.0 CFM (28.3 LPM)
Flow ControlCritical orifice
Vacuum RequirementsExternal vacuum >15" (38.1 cm) of Hg
CalibrationNIST traceable
Sample Probe/TubingIsokinetic sampling probe
Communication InterfaceModbus™ RTU or ASCII outputs (specified upon order)
Power9-30 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
Weight0.62 lb (0.28 kg)
StandardsISO 21501-4 and JIS B9921
Warranty1 year limited warranty
Operating Conditions5° to 35°C 20% to 95%RH non-condensing
Storage Conditions-20° to 50°C Up to 98%RH non-condensing
Optional AccessoriesIsokinetic sampling probe, purge filter, data cable, vacuum and sample tubing