Quantitative fit testing is the preferred testing method. The ambient aerosol condensation nuclei counting (CNC) method, using a Portacount® Plus instrument, has been selected as the quantitative fit ...

Respirator straps should not be over tightened for testing and should be adjusted by the wearer to give a reasonably comfortable fit typical of normal use. The test subject shall conduct negative and ...

Experience the latest innovation in respirator fit testing with AeroFit, a cutting-edge quantitative fit testing device engineered for precision and ease. Launching in Q4, the AeroFit tests both ...