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Monday 8am - 5pm Tuesday 8am - 5pm Wednesday 8am - 5pm Thursday 8am - 5pm Friday 8am - 5pm

OHD

OHD specializes in the instrumentation and software to help protect your employees’ health and manage occupational risks.

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.

09/05/2025

OHD is excited to be at the 2025 AOHP National Conference in Glendale, Arizona!

John Koch, Occupational Health Sales and Service Rep, and Kirk Olson, Mid-American Regional Sales Manager, are connecting with occupational health professionals and sharing how OHD’s respiratory protection solutions help keep healthcare workers safe.

There's still time to see a LIVE demo of the QuantiFit2 and the new AeroFit, our CNC fit testing solution for both disposable and elastomeric respirators.

If you're attending AOHP, come by booth 307 and say hello!

08/27/2025

When it comes to respirator fit testing, not all CNC/APC devices are built the same.

AeroFit was designed to make the process faster, easier, and more intuitive—without the complexity or noise you’ll find in other systems.
With features like silent operation, particle generation management, preloaded respirator lists, and automated daily verification, AeroFit sets a new standard for user experience while delivering precise, objective results.

See how AeroFit stacks up against other CNC/APC fit testing technologies in the chart below.

08/26/2025

This is a webinar you don’t want to miss.

Join us for an exclusive chance to discover AeroFit, OHD’s brand-new CNC respirator fit testing solution designed for both elastomeric and disposable respirators.

Our panel of OHD experts will share the story behind AeroFit, walk through its game-changing features, and highlight real-world use cases across industries.

We’ll also explain how OHD became the only global manufacturer of both major quantitative fit testing technologies and help you decide whether AeroFit® or the QuantiFit2™ is the right choice for your program.

📅 Tuesday, September 24, 2025
🕐 1:00 PM CT

Secure your spot now!
https://us02web.zoom.us/webinar/register/WN_3w6M4rohQoWv-_V3lmxiHQ #/registration

08/21/2025

OHD is live at the Annual PA Hazmat Training & Education Conference!

Catch our Eastern Regional Sales Manager, Ryan Thompson, at our booth and get a live demo of the QuantiFit2, or AeroFit —our brand new CNC Respirator Fit Tester! Whatever your needs, Ryan is there to walk you through our solutions and answer your questions.

Stop by and see how OHD can support your hazmat team in the real world! 💪

08/20/2025

In case you missed it: Last week, Dr. Stephanie Lynch, CIH, CSP hosted three impactful Safe + Sound Week webinars covering respiratory protection, air monitoring, and heat stress testing.

The full recordings are now available, so you can catch up on these important discussions at your convenience. Explore the sessions and gain valuable insights to help you protect your workforce and build a stronger safety culture.

Watch the webinars (FREE): https://www.youtube.com/playlist?list=PLf-PzfzYj6cEYpYhZ6lF3Fz0KKYjJGWr-

08/18/2025

Join us on Tuesday, September 24 at 1:00 PM CT for an exclusive webinar on AeroFit, OHD’s brand new CNC respirator fit testing solution that fit tests both elastomeric and disposable respirators.

Hear from our expert panel as we cover:
✔️ The story behind AeroFit’s development
✔️ Game-changing features
✔️ Real-world use cases across industries

Don’t miss your chance to see why OHD is the only global manufacturer of both major quantitative fit testing technologies.

Register here: https://us02web.zoom.us/webinar/register/WN_3w6M4rohQoWv-_V3lmxiHQ #/registration

08/15/2025

Still relying on taste or smell to decide if a respirator fits?

Qualitative fit testing is slow, cumbersome, and subjective, often taking 15+ minutes per person and relying on human senses for a pass/fail result. That means inconsistent outcomes, wasted time, and ongoing costs.

Quantitative fit testing changes the game. With OHD’s Quantifit2 and AeroFit Respirator Fit Testers, you get accurate, reliable results in under 3 minutes — backed by data, not guesswork.

Ready to make the switch to faster, more reliable fit testing? Visit ohdglobal.com.

08/13/2025

Thank you to everyone who joined us yesterday as we kicked off our Safe + Sound Week webinar series with an insightful session on Heat Stress Monitoring!

The series continues today and tomorrow, and you won’t want to miss these sessions:

📅 Today – Aug 13: Breathe Easy: Respirator Fit Testing
🔗 Register now: https://us02web.zoom.us/webinar/register/WN_RQDoTEYeTzW9Nhu6SCSK_w #/registration

📅 Tomorrow – Aug 14: Clearing the Air: Air Sampling Essentials
🔗Register now: https://us02web.zoom.us/webinar/register/WN_eBFHJ2QvSQS_uAWmdHEfvA #/registration

Join us to gain practical, actionable knowledge to strengthen your safety program.

* CEUs are offered to attendees.

08/11/2025

Air sampling is a critical part of understanding and controlling workplace hazards, yet it’s often overlooked or misunderstood.

Join us on August 14 at 1PM CT for Clearing the Air: Air Sampling Essentials, the third session in our FREE Safe + Sound Week webinar series.

Led by Dr. Stephanie Lynch, CIH, CSP, this session will cover why air sampling matters, how it’s regulated, and which tools and strategies deliver the most reliable results. Whether you’re managing a construction site, manufacturing facility, clinic, or any other workplace, you’ll leave with practical steps to help protect your team.

Register for Clearing the Air: https://us02web.zoom.us/webinar/register/WN_eBFHJ2QvSQS_uAWmdHEfvA #/registration

📣 Reminder that the first session, Chill Out: Heat Stress Monitoring Basics, takes place tomorrow, August 12 at 1PM CT.

Register for Chill Out: Heat Stress Monitoring Basics: https://us02web.zoom.us/webinar/register/WN_HItnJP_uQcG2g7_LXWCP5A #/registration

08/06/2025

Respirators only work if they fit.

Yet for many organizations, fit testing remains one of the most overlooked aspects of a respiratory protection program.

Join us on August 13 at 1PM CT for Breathe Easy: Respirator Fit Testing, the second session in our free Safe + Sound Week webinar series. Led by Stephanie Lynch, PhD, CIH, CSP, this session will walk through OSHA fit testing requirements, discuss available testing methods, and provide best practices to help you build a more effective and compliant program.

Free to attend, registration is required.
🔗 Register here! https://us02web.zoom.us/webinar/register/WN_RQDoTEYeTzW9Nhu6SCSK_w #/registration

08/04/2025

Every safety professional knows heat stress is serious, but do you have the right systems in place?

Our upcoming webinar 'Chill Out: Heat Stress Monitoring Basics' will walk you through OSHA’s current stance, what signs to watch for, and how to implement effective, real-time monitoring strategies that make a measurable impact.

Presented by Stephanie Lynch, PhD, CIH, CSP, this session is ideal for safety leaders working in high-heat environments.

The webinar is free to attend, and registration is required.
Register now! https://us02web.zoom.us/webinar/register/WN_HItnJP_uQcG2g7_LXWCP5A #/registration

08/01/2025

In recognition of Safe + Sound Week, a nationwide event celebrating workplace safety and health programs, OHD is offering a free three-part webinar series designed to help safety professionals strengthen their programs and stay compliant.

Each session is led by Stephanie Lynch, PhD, CIH, CSP, and focuses on key industrial hygiene topics to support those working in safety-sensitive industries.

🔹 August 12 – Chill Out: Heat Stress Monitoring Basics
Register Here: https://us02web.zoom.us/webinar/register/WN_HItnJP_uQcG2g7_LXWCP5A #/registration
As temperatures rise, so do risks to worker safety. This session will cover OSHA expectations, how to recognize early signs of heat stress, and how to implement real-time monitoring strategies that keep teams safe in high-heat environments.

🔹 August 13 – Breathe Easy: Respirator Fit Testing
Register Here:https://us02web.zoom.us/webinar/register/WN_RQDoTEYeTzW9Nhu6SCSK_w #/registration
Respirator fit testing is often overlooked—but critical. Learn the regulatory requirements, testing options, and best practices to ensure your respiratory protection program is effective and compliant.

🔹 August 14 – Clearing the Air: Air Sampling Essentials
Register Here: https://us02web.zoom.us/webinar/register/WN_eBFHJ2QvSQS_uAWmdHEfvA #/registration
Gain a solid foundation in workplace air sampling: why it matters, how it’s regulated, and what tools and strategies work best. Ideal for those new to industrial hygiene or in need of a practical refresher.

🕐 1:00 PM CT Daily

Whether you’re managing a clinic, construction site, or manufacturing facility, these sessions will provide valuable insights to help you protect your workforce and build a stronger safety culture.

All webinars are free to attend—registration is required.

Address

2200 Resource Drive
Hoover, AL
35242

Opening Hours

Monday	8am - 5pm
Tuesday	8am - 5pm
Wednesday	8am - 5pm
Thursday	8am - 5pm
Friday	8am - 5pm

Telephone

+12059800180

Website

http://www.ohdglobal.com/

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Our Story

OHD offers a range of products and services to help you protect your employees and manage your occupational risks. Whether you are looking for The Quantifit Respirator Fit Tester, The QuantiCheck for the world’s first quantitative user seal check, Noise Dosimeters, Audiometers, Vision Screeners, Breath Alcohol Instruments, or a Sound Level Meters, we can provide you with a complete, personalized solution.

OHD