Solutions for Fire Departments
Ensuring Safety with Precision and Speed
Firefighters operate in some of the most hazardous environments imaginable, facing risks that demand the highest standards of protection and health monitoring. At OHD, we understand the critical nature of this work and provide specialized solutions designed to offer unmatched safety and compliance. Our offerings, including the QuantiFit2™ Respirator Fit Tester and AeroFit® Respirator Fit Tester, embody our commitment to the health and safety of those who protect us.
QuantiFit2™ Respirator Fit Testing Device
Trusted by Over 90% of the Nation’s Largest Fire Departments
Compliance and Safety
The QuantiFit2™ ensures OSHA and NFPA compliance, providing peace of mind that firefighters are protected against smoke inhalation and airborne toxins.
Speed and Accuracy
Conducting fit tests in under two minutes, the QuantiFit2™ is designed for the fast-paced demands of fire departments, ensuring quick and precise assessments.
Ease of Use
With features like AutoStart for touchless operation, the QuantiFit2™ streamlines the fit testing process, making it straightforward and hassle-free.
Service Excellence
Recognizing the urgency of fire departments’ needs, we offer industry-leading turnaround times on calibration and technical support, ensuring your equipment is always ready.


AeroFit® Respirator Fit Testing Device
Precision and Efficiency
With the capability to test both disposable and elastomeric respirators, including N95s, AeroFit® supports compliance with OSHA and ISO standards critical for first responders.
Battery-Powered Portability
Departments often require on-site testing at different stations or locations. AeroFit’s battery-powered design allows for mobility, enabling testing flexibility wherever your team is based, ensuring seamless fit testing across sites.
User-Friendly Setup
AeroFit’s simple setup allows staff to quickly select respirators and perform daily verification, so teams can get testing underway with minimal delay, even in time-sensitive situations.
Logic Cloud: Modernize Your Fit Testing Program
Streamline Compliance Tracking
Effortlessly monitor fit testing compliance across all your locations and devices. Logic Cloud centralizes your data, providing a seamless platform for meticulous oversight.
Unlock Powerful Reporting Tools
Logic Cloud equips you with robust reporting tools, enabling comprehensive evaluations of your fit testing program. Search, find, print results, and run reports on your testing program from any computer connected to the internet.
Automate Reminders to Your Team
Bid farewell to manual tracking and potential oversights. With Logic Cloud, set automated notifications to alert your team promptly as fit testing deadlines approach or lapse. Proactive compliance has never been easier.


Ion Science Fire Investigation Kit
Specifically designed to provide you with all the tools for a convenient, easy-to-use solution for the detection of volatile organic compounds (VOCS) within fire and arson investigation applications.
What’s in the Case?
- Tiger XT or Tiger XTL VOC Detector
- 1m Flexi Probe
- Bump Test Pen
- AA Tiger Battery Pack
- Charging Cradle & Travel Charge Adapter
- Rugged Carry Case
- USB Cable
- Mains Adapter
- Exhaust Barb
- PTFE Filters (Pack of 10)
- Quick Start Guide

Join the Ranks of Protected Heroes
Fire chiefs and captains know the importance of compliance and the safety of their team above all. With OHD’s cutting-edge solutions like the QuantiFit2™ and LSI Heat Shield, you’re not just ensuring compliance – you’re safeguarding the heroes who safeguard us all. Contact us today to learn more about how our solutions can serve your department’s needs and get a quote tailored to your specific challenges.