How it works
The Met One Instruments MCERTS Particulate Monitor (Model ES-642) is a type of nephelometer which automatically measures real-time airborne PM₁₀, PM₂.₅, or TSP particulate concentration levels using the principle of forward laser light scatter. Sample air is drawn into the ES-642 and through the laser optical module, where the particulate in the sample air stream scatters the laser light through reflective and refractive properties. This scattered light is collected onto a photodiode detector at a near-forward angle, and the resulting electronic signal is processed to determine a continuous, real-time measurement of airborne particulate mass concentrations.
Also, the ES-642 is installed with other particulate monitors such as the BAM-1020 and FRM instruments.
Applications
- Rail and roadside monitoring
- Schools and playgrounds
- Underground facilities
- Solar power installations
- Wind energy installations
- Farms and ranches
- Hotels and public venues
