opc > Optical Particle CounterInstrument Type(s) > Baseline

The optical particle counter (OPC) is a particle size spectrometer that provides a measure of the particle optical diameter based on scattered light intensity. The OPC provides the number size distribution for particles with optical diameters from 0.25 to 35 micrometers.


  • Fixed
  • AMF1
  • AMF2
  • AMF3

Active Locations

Facility Name Start Date
Gunnison, CO; Supplemental Facility 2 2021-10-27


Cheng Z, A Liyu, D Dexheimer, N Lata, G Kulkarni, C Longbottom, F Mei, and S China. 2022. "An automated size and time-resolved aerosol collector platform integrated with environmental sensors to study the vertical profile of aerosols." Environmental Science: Atmospheres, 2(6), 10.1039/D2EA00097K.

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