The Evans Research Group has a variety of continuous ambient air monitoring instruments that analyze the physical and chemical characteristics of particulate matter, as well as other supporting instruments.

Please click on the links below for photographs and descriptions of the instruments available. 

Physical characterization

  • TSI 3091 Fast Mobility Particle Spectrometer (FMPS)
  • TSI 3090 Engine Exhaust Particle Sizer (EEPS)
  • TSI Scanning Mobility Particle Sizer (SMPS)
  • TSI 3321 Aerodynamic Particle Spectrometer (APS)
  • Thermo 5030 Synchronized Hybrid Ambient Real-time Particulate Monitor (SHARP)
  • P-Trak Ultra fine Particle Counter
  • DUSTTRACK Aerosol Monitor
  • Tapered Element Oscillating Microbalance (TEOM) Series 1400a Ambient Particulate Monitor 

Chemical characterization

  • TSI 3800 Aerosol Time-of-Flight Mass Spectrometer (ATOFMS)
  • Sunset thermal-optical semi continuous OC/EC analyzer
  • DMT Photoacoustic soot spectrometer (PASS)
  • Aethalometer (AE-21)
  • Aerodyne Aerosol Chemical Speciation Monitor (ACSM)
  • Gas Particle-Ion Chromatograph (GPIC)
  • Xact metal monitor (Xact 625, Cooper Environ.)

Supporting instruments

  • API 400A O3 analyzer
  • Teledyne 300 CO analyzer
  • Thermo 410i CO2 analyzer
    Chemiluminescent NO/NO2 /NOX Analyzer – Thermo 42
  • Recordum Airpointer for O3, NOx, PM
  • TSI 3480 electrospray aerosol generator
  • MultiGas™ 2030-HS High Speed (5 Hz) FTIR Gas Analyzer
  • Q-Trak Indoor Air Quality Monitor
  • SO2 Fluorescent Analyzer – Thermo 43C SO2