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

The purpose of this information is to provide training and software resources for users of the system.

Request a Demo

The 3M™ E-A-Rfit™ Dual-Ear Validation System allows you to identify the amount of protection that a worker is receiving from their hearing protector. For more information, see the Getting Started section below.

Getting Started

In order to use the 3M™ E-A-Rfit™ Dual-Ear Validation System to measure hearing protector attenuation, you will need to:
1. Purchase a 3M™ E-A-Rfit™ Dual-Ear Kit from your 3M distributor. This kit includes the E-A- Rfit hardware and accessories you need to get started along with a sample of probed test earplugs. Once you begin using the system, you will need to purchase additional probed test earplugs for use during testing.
2. Download the current version of the 3M™ E-A-Rfit™ Dual-Ear Software in the Software & Training Resources section on this page.

Software & Training Resources

Technical Support

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 0800 364 357