Articles | Volume 13, issue 3
Atmos. Meas. Tech., 13, 1181–1193, 2020
https://doi.org/10.5194/amt-13-1181-2020
Atmos. Meas. Tech., 13, 1181–1193, 2020
https://doi.org/10.5194/amt-13-1181-2020

Research article 10 Mar 2020

Research article | 10 Mar 2020

Effect of aerosol composition on the performance of low-cost optical particle counter correction factors

Leigh R. Crilley et al.

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Latest update: 15 May 2021
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Short summary
There is considerable interest in using low-cost optical particle counters (OPCs) for particle mass measurements; however, there is no agreed upon method with respect to calibration. Here we exploit a number of datasets globally to demonstrate that particle composition and relative humidity are the key factors affecting measured concentrations from a low-cost OPC, and we present a simple correction methodology that corrects for this influence.