The 3M™ E-A-Rfit™ Validation System is a quick and accurate method of estimating real-ear attenuation for a given fitting of a pair of earplugs.
The validation system is a quick and accurate method of estimating real-ear attenuation for a given fitting of a pair of earplugs. This versatile system has been designed and built to be an integral part of a comprehensive workplace hearing conservation program.
Technology that takes Hearing Conservation to the next level.
Environmental controls, hearing protectors and on-the-job training are the first steps to protecting your workers against noise-induced hearing loss. Take the next step with the 3M™ E-A-Rfit™ Validation System, an objective, quantitative hearing protector fit-test system.
Do not rely solely on lab-based attenuation performances. Get a personalized attenuation rating (PAR) for each worker. Once a subject is fitted, it takes less than 8 seconds per ear to test 7 standard frequencies. Just self-fit earplugs, connect to the microphone and run the test.