890b488c_oplet_Measurement_Technologies__Parameter
[Specification] Weekly: Refreshing or replacing the desiccant in the drying cartridge on the purge line Conducting PSL size check to monitor laser power Monthly and around field campaigns: Conducting zero check with high-efficiency filtered air sample Annually (more frequently for high-BC environments): Checking calibration of the laminar flow element on the sample inlet [Parameter] 
Routine Maintenance
Single Particle Soot Photometer (SP2) | Droplet Measurement Technologies
Parameter