PM sensor utilized in Atmotube PRO passed the MCERTS certification (MCERTS Performance Standards for Indicative Ambient Particulate Monitors). This is the first PM sensor in the consumer-grade market which has this kind of certification. More information and examples of the certificate can be found at: www.csagroupuk.org
MCERTS report: www.csagroup.org/wp-content/uploads/2020/01/MC-20035001.pdf
You can find Air Quality Sensor Performance Evaluation Center report for PM sensor at: www.aqmd.gov/aq-spec/sensordetail/sensirion---sps30-eval-kit
South Coast AQMD 's AQ-SPEC report: www.aqmd.gov/docs/default-source/aq-spec/field-evaluations/sensirion-sps30-evaluation-kit---field-evaluation.pdf?sfvrsn=42
South Coast AQMD's AQ-SPEC Field Evaluation of Atmotube PRO (preliminary results): www.aqmd.gov/aq-spec/sensordetail/atmotube---pro
