Specifications include, but are not limited to: 1. Meet US EPA PM2.5 Federal Equivalent Method EQPM-0516-238, US EPA PM10 Federal Equivalent Method EQPM-0516-239, and US EPA PM10-2.5 Federal Equivalent Method EQPM-0516-240. 2. Measurement Principle: Broadband spectroscopy using 90 degrees whitelight scattering with polychromatic light emitting diodes. 3. Have an auxiliary flow system with the US EPA, 16.7 liters per minute, PM10 sample head, 640X Inner Sample Tube, 640X Bypass Flow Coupler, and External Pump 4. Include a Leak Check, Flow Audit Adaptor Kit 5. Include an in-line disposable filter unit (DFU) filter 6. Particle size resolution: 256 sizes over 0.18 – 20 micrometer range 7. PM Mass Resolution Measurement Range: 0.1 - 10,000 micrograms per cubic meter 8. Mass Measurement and Display Resolution: 0.1 micrograms per cubic meter 9. Precision: plus or minus 0.5 micrograms per cubic meter (1-hour average) 10.Lower Detectable Limit: less than 0.1 micrograms per cubic meter (1-hour average)
