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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.

06/01/2026

We're live at AIHA Connect 2026 in New Orleans!

Stop by Booth #1527 and connect with our team for real conversations, hands-on guidance, and live demos of:

🔹 QuantiFit2™ respirator fit testing instrument (CNP) for elastomeric respirators
🔹 AeroFit® respirator fit testing instrument (CNC) for disposable and elastomeric respirators
🔹 Gilian® air sampling pumps and calibrators from Sensidyne, LP
🔹 SVANTEK noise and vibration monitoring equipment
🔹 ION Science gas detection technology

Don't miss these sessions featuring OHD Regulatory and Standards Director Stephanie Lynch, PhD, CIH, CSP:

🔹 How to Enhance PPE Accessibility for Women in Various Industries
Monday, June 1 | 3:45 PM–4:10 PM
Booth 516

🔹 Hands-On Training in Quantitative Respirator Fit Testing
Tuesday, June 2 | 10:00 AM–11:00 AM
Room 284

Have a question, a challenge, or just want to talk shop? Stop by Booth #1527. We'd be glad to meet you.

AIHA - American Industrial Hygiene Association

05/28/2026

Did you know?

OHD is the only global manufacturer that produces both quantitative respirator fit testing technologies recognized by OSHA and ISO: Controlled Negative Pressure (CNP) on the QuantiFit2™, and Condensation Nuclei Counting (CNC) on the AeroFit®.

Different technologies. Same precision. One trusted source.

Not sure which technology best fits your program? Take our quick “Find Your Fit” quiz and discover the right fit testing solution for your team in just three easy steps:
https://ohdglobal.com/find-your-fit/

05/27/2026

Take a minute to check when your respirator fit testing instruments are due for calibration.

Staying on an annual schedule helps keep your results accurate, your records audit-ready, and your team protected.

If your instruments are due for calibration soon, our prepaid calibration service packages make it easy to lock in pricing, plan ahead, and avoid last-minute downtime.

You can compare packages and choose what fits your program by visiting: https://ohdglobal.com/calibrations/

05/26/2026

OHD is heading to APIC 2026!

📍 Nashville
📅 June 15–17, 2026

We’re excited to connect with infection prevention and healthcare safety professionals and provide live demos of AeroFit®, our industry-leading respirator fit testing instrument designed for both disposable and elastomeric respirators.

Attendees will also have the opportunity to learn more about QuantiFit2™, our quantitative fit testing solution for elastomeric respirators.

If you’ll be attending APIC 2026, stop by and chat with our team. We look forward to seeing everyone there!

05/22/2026

OHD was honored to be at the 2026 VPPPA Region I Annual Conference in Portland this week!

Ryan Thompson, our Eastern Regional Sales Manager, had a great time connecting with attendees and sharing his expertise on workplace safety.

Thank you to everyone who stopped by our booth. We value the conversations and the opportunity to be part of this incredible safety community!

05/21/2026

Headed to AIHA Connect 2026 in New Orleans?

Make time to learn from one of OHD’s leading experts in respiratory protection. OHD Regulatory and Standards Director Stephanie Lynch, PhD, CIH, CSP will be presenting at two educational sessions during this year’s conference.

🔹 How to Enhance PPE Accessibility for Women in Various Industries
Monday, June 1 | 3:45 PM - 4:10 PM
Booth 516

🔹 Hands-On Training in Quantitative Respirator Fit Testing
Tuesday, June 2 | 10:00 AM - 11:00 AM
Room 284

Join the conversation, gain practical insights, and connect with the OHD team throughout the week.

See you there!

05/20/2026

OHD is excited to be at the 2026 Annual VPPPA VI Safety Conference this week in Little Rock, AR!

Mark Gamble, our Southern Regional Sales Manager, is enjoying the opportunity to connect with safety professionals and discuss advancing respiratory protection programs beyond compliance and toward confidence in the field.

If you’re attending Region VI VPPPA, be sure to say hello and learn more about OHD’s respirator fit testing solutions, AeroFit and QuantiFit2, as well as Svantek noise monitoring instruments and Gilian air sampling equipment.

Thank you to everyone who has stopped by to share insights and experiences from their safety programs.

05/19/2026

Heading to AIHA Connect 2026? Come visit OHD at Booth 1527 and see our fit testing and industrial hygiene solutions in action.

Stop by and connect with our team for real conversations, hands-on guidance, and live demos of:
🔹 QuantiFit2 respirator fit testing instrument (CNP) for elastomeric respirators
🔹 AeroFit respirator fit testing instrument (CNC) for disposable and elastomeric respirators
🔹 Gilian air sampling pumps and calibrators from Sensidyne, LP
🔹 SVANTEK noise and vibration monitoring equipment
🔹 ION Science Ltd gas detection technology

And while you’re there, be sure to catch these sessions from Dr. Stephanie Lynch, CIH, CSP:
▫️ How to Enhance PPE Accessibility for Women in Various Industries
▫️ Hands-On Training in Quantitative Respirator Fit Testing

We’re excited for a great event and great conversations. See you there!

05/15/2026

Step behind the mask with OHD as we take a closer look at some of the most popular respirators on the market! In this episode of Behind the Mask, OHD CEO Luke Allen spotlights his favorite features of the 3M™ 6500 Respirator and discusses its fit and feel with Booth Armstrong, OHD’s National Sales Manager.

Using the industry-leading AeroFit respirator fit testing device, we walk you through how to properly perform a fit test and share our expert insights on performance, comfort, and usability.

What do we love about the 3M™ 6500?
🔹Lightly textured silicone
🔹Valve Cover Design
🔹Quick Latch System
🔹Other Key Features

👉 Check out other Behind the Mask videos on other popular respirators: https://bit.ly/4tte3yW

05/14/2026

N95 fit testing doesn’t have to feel complicated.

AeroFit® was designed to create a smoother, more intuitive fit testing experience, helping safety teams spend less time troubleshooting and more time protecting workers.

✔ Guided animations for step-by-step testing
✔ Preloaded respirator lists for faster setup
✔ Automated daily verification to simplify compliance
✔ Unlimited onboard storage for standalone testing

Everything you need for a more streamlined N95 fit testing workflow, built into one instrument.

See AeroFit in action: https://bit.ly/49q4tWf

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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