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TSI - AirAssure

General Description

The AirAssure PM2.5 Indoor Air Quality (IAQ) Monitor from TSI provides real-time measurements of PM2.5 mass concentrations.

Principle of Operation

The AirAssure sensor enables a light scattering photometer that detects and measures PM2.5 between 5 and 300 μg/m3. The device carries a pre-calibrated sensor with NIST Statement of Conformance.


  • Dimensions (HWD): 16.2 cm x 8.5 cm x 3.3 cm (6.4 in. x 3.4 in. x 1.3 in.)
  • Weight: 0.2 kg (0.5 lb), Packaged: 0.5 kg (1.0 lb)
  • Battery: No
  • Power supply: Yes (24 volt (AC or DC), 5W max)
  • Sensor lifetime: N/A
  • Sampling mechanism: Air pump
  • Environmental operating conditions: 10 to 30°C and less than 65% RH
  • Data logging: Data export capability, Supports up to 99 sensors, Compatible with mobile devices, Located on local server
  • PC data logging: No
  • Communications: Ethernet, Analog (4-20mA)
  • Weatherproof: Yes


  • Indoor Air Quality
  • Ambient air monitoring (installed in a ventilated weatherproof box)


Manufacturer's product webpage

    South Coast Air Quality Management District

    21865 Copley Dr, Diamond Bar, CA 91765



    © 2024 South Coast Air Quality Management District