3M™ E-A-Rfit™ Dual-Ear Validation System

3M™ E-A-Rfit™ Dual-Ear Validation System

Hearing protection fit testing: Make it easy to measure hearing protection needs.

  • Make it easy to measure hearing protection needs.

    The 3M™ E-A-Rfit™ Dual-Ear Validation System makes it easy to measure every employee's unique level of protection in hearing protection fit testing and takes the guesswork out of managing compliance in your hearing conservation program.


    • Tests both ears simultaneously in less than 5 seconds.
    • Earmuff and Earplug testing capability
    • Tests at 7 standard frequencies - 125Hz to 8000Hz
    • Science-based, objective, quantitative testing

Featured Video: Hearing Protection Fit Testing

  • Technology that takes hearing conservation to the next level with hearing protection fit testing

    What is the 3M™ E-A-Rfit™ Validation System?

    E-A-Rfit is a service program designed to help validate hearing protection and compliance with hearing protection fit testing. It delivers an objective, quantitative measurement of each employee's protection, so you can better protect your workforce while helping employees understand the importance of proper fit. With the E-A-Rfit Dual Ear validation system, your employees will learn how to properly fit their 3M earplug or earmuff, and you'll have the confidence that they are wearing the right protection for their environment.

    • It is fast, quantitative and objective
    • Personal Attenuation Rating (PAR) of hearing protectors
    • Offers training for consistent fit
    • Provides documentation for compliance reporting

    Find a local authorized service provider (PDF, 147 KB)


Featured Video: Why Fit Test?