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 ...

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 Tester ...

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 ...

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 ...

The PortaCount Fit Tester provides users with assistance across the entire respiratory protection program, from training to compliance. By clicking above, I agree to ...

TSI Link™ for Respiratory Protection is a cloud-based software solution designed to streamline and centralize the management of respiratory protection programs for PortaCount™ Fit Tester users.

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 ...

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 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 ...