The 3M™ E-A-Rfit™ Validation System allows you to identify the amount of protection that a worker is receiving from their hearing protector. The purpose of this information is to provide training and software resources for users of the system. See Getting Started below.
If you are looking for support for the 3M™ E-A-Rfit™ Dual-Ear Validation System, click here.
In order to use the 3M™ E-A-Rfit™ Validation System to measure hearing protector attenuation, you will need to:
Most messages are answered within two business days or less; however, some replies require further investigation or clarification.
If you need technical assistance by telephone, please call 1-800-243-4630 then select menu options 1-2-5.
If you wish to request service and/or repair of your 3M™ E-A-Rfit™ Equipment, please 3M Technical Service at 1-800-243-4630.
Outside US Customers:
Please contact your local 3M Technical Service person to coordinate the service or repair.