The only commercially available instrument in the world that can quantitatively fit test all tight fitting respirator face masks, including all N95, P1 and P2 filtering face piece respirators! Accept no substitutes . . . choose the original ambient aerosol condensation nuclei counter (CNC) quantitative fit testing instrument, the PortaCount Respirator Fit Tester using N95-Companion™ technology.

The sidepak AM520i is the industry 's smallest, lightest personal exposure monitor. It fuses TSI's proven instrument design and intuitive controls,with portability for long-running real-time monitoring in environments requiring intrinsically safe instrumentation. With direct reading capabilities, the Sidepak AM520i gives you the whole picture, capturing minute by minute data for review and analysis to ensure you are on the right path toward both regulatory compliance and worker safety.