SHOREVIEW, Minn., June 5, 2017 /PRNewswire/ -- TSI Incorporated, a global leader in respirator fit testing instrumentation, is pleased to announce the next-generation PortaCount® Respirator Fit ...

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 ...