Validation of a light-scattering PM2.5 sensor monitor based on the long-term gravimetric measurements in field tests.
Jingjin ShiFei'er ChenYunfei CaiShichen FanJing CaiRenjie ChenHaidong KanYihan LuZhuohui ZhaoPublished in: PloS one (2017)
Light-scattering measurements of PM2.5 by QT-50 instrument overestimated the concentration levels and were affected by temperature and RH. The calibration model for QT-50 instrument was firstly set up against the gravimetric method with temperature and RH adjusted.