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