Effective Protection: Selecting a Respirator
Effectively selecting a respirator for quantitative mask fit testing – relationships between OSHA PEL’s/maximum use concentrations and APF’s.
Blog
TSI to Discontinue Calibration Services for certain PortaCount® Models
TSI to Discontinue Calibration Services for certain PortaCount Models
OHD Partners with the Chicago Fire Department and NIPSTA
OHD Quantifit partners with the Chicago Fire Department and NIPSTA.
Respiratory Mask Fit Testing with Facial Hair
Respiratory Mask Fit Testing with Facial Hair. TSI PortaCount vs. OHD Quantifit
The OHD Quantifit – The Fastest and most Accurate Fit Test – User Testimonial
OHD Quantifit – Mask Fit Testing – Quantitative Fit Test – Respiratory Fit Test – Mask Seals – SCBA – Full Face Masks- Half Face Masks – User Testimonial
What’s Required for a Respiratory Fit Test Program?
What is required for a Fit Test Program? The Quantitative respiratory program test.
The new OHD!
OHD Acquisition
Troubleshooting Scott AV2000 & AV3000
Resolving the three most common issues with the Scott 1/4 turn connector.
What are those favorite sounds that you treasure?
How do we get folks to value their hearing as if they had been given a precious gift – which hearing truly is?
Behind the Scenes at Times Square with the OHD Quantifit
The OHD Quantifit was used to fit test officers, fire fighters, EMS and Counter Terrorism Agents to make sure their haz-mat and gas masks fit properly.