TSI Incorporated is a worldwide supplier of innovative instruments for solving unique measurement problems related to respirator fit testing, indoor air quality and particle sampling. The PORTACOUNT® PRO+ Respirator Fit Tester provides the OSHA-compliant quantitative fit test required to ensure the proper fit of chemical/biological gas masks. Used by the U.S. Military, the PORTACOUNT® PRO+ Respirator Fit Tester works with almost any respirator, including disposable TB masks and SCBA facepieces. Included software fully automates the fit test and maintains records. Optional adapters allow testing First Responders in their assigned masks.
