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Remote Particle Counter - P231

? Measures 0.5 μm and 5.0 μm
? 1.0 CFM (28.3 LPM) flow rate
? Measures 2 channels of simultaneous data
? Power: 9-30 VDC
? Concentration limit of 500,000 per ft3
? Operating Temperature: 5 to 35°C
? Operating Humidity: 20% to 95%RH non-condensing

Model Number: P231
Data Sheet:

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Product Specification

Remote Particle Counter
Model P231

The P231 remote particle counter measures 0.5 μm and 5.0 μm with a flow rate of 1.0 CFM (28.3 LPM). 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 P231 complies with ISO 21501-4 and includes a 2 year limited warranty.

P231 Remote Particle Counter Features & Benefits
? 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 Modbus? 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
? 2 year limited warranty

P231 Remote Particle Counter Specifications

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 Limits	500,000 particles / ft3 at 5% coincidence loss
Light Source	Long life laser diode
Zero Count Level	<1 count / 5 minutes (per JIS B9921)
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 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
Optional Accessories	Isokinetic sampling probe, purge filter, data cable, vacuum and sample tubing