There are essentially two technologies for quantitative respirator fit testing: ambient aerosol technology, which uses particle-based counting and controlled negative pressure (CNP) technology,...
OHD is committed to the research and future development of Respiratory Protection. That is why we have recently partnered with the University of Minnesota and their Environmental Health and Safety...
Every day at OHD we strive to protect those who protect us! We accomplish that by developing and offering industry-leading health and safety instruments that protect the world’s lungs, hearing,...
OHD is committed to the research and future development of Respiratory Protection. That is why we have recently partnered with the University of West Virginia and their Department of Industrial...
Have you been waiting for the right time to upgrade your fit tester from the TSI PortaCount® to the revolutionary OHD Quantifit®? Aren't you tired of the inconvenience of sometimes having to ensure or generate particles in a...
OHD recently took part in a city wide training for the Chicago Fire Department. OHD, along with NIPSTA (Northeastern Illinois Public Safety Training Academy) completed a "Train the Trainer" session with the OHD Quantifit to...
