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: Date Sheet File
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  • Remote Particle Counter
  • Remote Particle Counter
  • Remote Particle Counter
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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

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