3M™ E-A-Rfit™ Validation System is objective fit-testing system to validate the fit of 3M™ earplugs. Provides a Personal Attenuation Rating (PAR) for each worker.
- Objective test takes only 10 seconds per ear for 7 standard frequencies
- Test both ears at the same time. Results are documented for each subject and can be printed or saved electronically for future reference