QuantiFit2 Respirator Fit Tester
The Fastest, Most Accurate Fit Test on the Market

Portability and Convenience Redefined
The QuantiFit2 is designed to adapt to your needs, wherever your work takes you.
Unlimited Portability
Test anywhere – indoors, outdoors, in clean or dirty environments.
Fastest Fit Test
Complete a full OSHA or ISO fit test in as little as two minutes – no waiting periods for smokers or post-meal testing.
No Consumables Needed
Say goodbye to ongoing costs of fit testing consumables. The QuantiFit2 uses AIR as the challenge agent.
Cordless Freedom
Rechargeable battery packs with over four hours of active run time.

Scientifically Proven Controlled Negative Pressure Technology
The QuantiFit2 is a highly specialized instrument that utilizes OHD’s scientifically proven and patented Controlled Negative Pressure (CNP) technology to directly measure respirator leakage.
Scientifically Proven CNP Technology
Directly measures respirator leakage using only air, eliminating the need for particles, wicks, or alcohol solutions.
Multiple Donnings Protocol
The only technology that incorporates multiple donnings in the fit test, reinforcing correct respirator usage.
Global Standards Compliance
Meets rigorous standards including OSHA, ISO, CSA, UK HSE, ANSI, and more.
Direct Leak Measurement
Precisely measures the exact amount of air leakage.

Intuitive Design & User Experience
Experience the future of fit testing with features that simplify and streamline the process.
Color Touch Screen
Test subjects are guided through the process with animations and instructions.
Interactive Troubleshooting
Review test exercise graphs for detailed analysis and comparison.
OHD Logic Cloud Software
Simplify fit testing data capture and compliance tracking across all locations and devices.

Transform Your Respirator Fit Testing Today
The QuantiFit2 is more than just a respirator fit tester – it’s a commitment to the highest safety standards. Its precision, portability, and ease of use make it an invaluable asset in ensuring the best fit and protection for you and your team.