OHD Blog

OHD to Partner with the University of West Virginia with use of Quantifit

Jan 8, 2018

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 and Management Systems.

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TSI to Discontinue Calibration Services for certain PortaCount® Models

Oct 30, 2017

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 closed room with fog machines, candles, salt fog or other means if you need to conduct a fit test? NOW is the perfect time to convert to the OHD Quantifit® to eliminate the hassle with particles. Move to a system which directly measures respirator leak by taking advantage of OHD's $1,500 Trade-In Offer!

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