TSI’s PortaCount Respirator Fit Tester delivers an objective fit test for any respirator, including all N95s, in less than two and a half minutes. Using OSHA’s newly modified CNC protocols, fit tests ...

As the world is responding to the COVID-19 outbreak, fit testing respirators for healthcare workers and first responders remain vital to respiratory protection programs to reduce exposure to the ...

TSI Incorporated introduces the Portacount Pro and Pro+ respirator fit testers, which offer fast, simple, easy-to-use, stand-alone operation and are OSHA-compliant for all respirators. These fit ...

SHOREVIEW, Minn., Sept. 28, 2019 /PRNewswire/ -- OSHA has accepted two newly Modified Ambient Aerosol Condensation Nuclei Counter (CNC) Quantitative Respirator Fit Test Protocols. The new protocols go ...

UC Davis Health is assessing the integrity, performance of the respirator masks after they are decontaminated The goal is to establish a backup supply in the face of high demand during the coronavirus ...

The PortaCount Fit Tester, model 8040 and 8048, provide users with assistance across the entire respiratory protection program, from training to compliance. New features like FitCheck Mode and test ...

TSI Service technician taking care of PortaCount Respirator™ Fit Tester · GlobeNewswire Inc. Shoreview, MN, May 14, 2025 (GLOBE NEWSWIRE) -- TSI Incorporated, a global leader in Respirator Fit Testing ...

The Occupational Safety and Health Administration (OSHA) on Sept. 25 issued a final rule approving two additional quantitative fit testing protocols for inclusion in its Respiratory Protection ...

SHOREVIEW, MN - TSI, the industry leader in the design and production of quantitative fit testing technology and biohazard detection equipment announces the release of their Mask Integrity Test ...

Pursuant to 29 C.F.R. § 1910.134(f) employees are required to be fit tested prior to wearing tight-fitting respirators and the fit test administered must be using an OSHA-accepted fit test protocol.