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OHD is the manufacturer of the QuantiFit2 - the fastest and most accurate fit testing device on the market. Occupational Health Dynamics offers a range of products and services to help you protect your employees and manage your occupational risks. Whether you are looking for The QuantiFit2 Respirator Fit Tester, Noise Dosimeters, Audiometer, Vision Screener, Breath Alcohol Instruments, or a Sound Level Meter, we can provide you with a complete solution.
06/11/2026
We're in Syracuse for the NYSFAC 120th Annual Conference & FIRE Expo!
Ryan Thompson is at the OHD booth this week, showcasing solutions that help fire departments strengthen their respiratory protection programs and support firefighter safety.
Stop by the booth for a demo of:
• QuantiFit2™ respirator fit testing instrument for elastomeric respirators
• AeroFit® respirator fit testing instrument for disposable and elastomeric respirators
• Gilian® air sampling pumps and calibrators
• SVANTEK noise and vibration monitoring equipment
• ION Science gas detection technology
If you're attending the conference, stop by and chat with Ryan about the challenges your department is facing and the tools available to help keep firefighters protected.
Managing fit testing shouldn’t feel overwhelming. If compliance tracking, reminders, and reporting are eating up your time, you’re not alone.
That’s why we built Logic Cloud: to make fit testing management simple, automated, and stress-free.
Whether you’re managing fit testing for a single team or multiple locations, Logic Cloud gives you the oversight and automation you need to stay ahead with confidence.
✅ Streamline compliance tracking
✅ Stay prepared for audits
✅ Modernize your fit testing program with ease
Stay compliant, stay confident.
Learn more about Logic Cloud: ohdglobal.com/logic-cloud/
06/08/2026
If CNP and CNC fit testing both produce a fit factor, why do the results differ?
It's a question that causes a lot of confusion and a lot of misconceptions.
In this blog, we break down how each technology works, where the differences matter, and what the research says about accuracy, consistency, and respirator fit.
Whether you're evaluating fit testing options or simply want a clearer understanding of the technologies behind your program, this article will help you separate fact from fiction.
Read more: https://ohdglobal.com/cnp-vs-cnc-fit-testing/
06/05/2026
Following a great week at AIHA Connect, we were pleased to welcome Adam Marczak, OHD’s European Business Development Manager, and Andreas Söderlund, CEO of ABT Sweden AB, to our OHD headquarters in Birmingham, Alabama.
The visit was a valuable opportunity for our team to connect in person, exchange ideas, and strengthen relationships across our global network.
We’re grateful that Adam and Andreas extended their travels to spend time with the team. It was a pleasure having them in Birmingham.
Big things ahead!
06/02/2026
What a great session with Stephanie Lynch, PhD, CIH, CSP at AIHA Connect!
Her presentation, Hands-On Training in Quantitative Respirator Fit Testing, generated lively discussion and questions about quantitative fit testing and respiratory protection programs.
During the session, attendees had the opportunity to participate in live fit testing demonstrations featuring OHD's QuantiFit2™ and AeroFit® respirator fit testing instruments, gaining firsthand experience with both quantitative fit testing methods.
Thank you to everyone who joined the session, asked questions, and stepped up to participate in the live demonstrations. The engagement from the audience made it a tremendous success.
Special thanks to Luke Allen and Booth Armstrong for helping bring the demonstrations to life.
Missed the session? Stop by Booth #1527 to see a live demonstration for yourself and talk with our team about your fit testing program.
AIHA - American Industrial Hygiene Association
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2200 Resource Drive
Hoover, AL
35242
Opening Hours
| Monday | 8am - 5pm |
| Tuesday | 8am - 5pm |
| Wednesday | 8am - 5pm |
| Thursday | 8am - 5pm |
| Friday | 8am - 5pm |
