3M™ E-A-Rfit™ Validation System Version 4 Support
-
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.
List of Test Plugs for North America
If you are looking for support for the 3M™ E-A-Rfit™ Dual-Ear Validation System, click here.
Getting Started
-
In order to use the 3M™ E-A-Rfit™ Validation System to measure hearing protector attenuation, you will need to:
- The 3M™ E-A-Rfit™ Kit model 393-1000 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.
- Download the current version of the 3M™ E-A-Rfit™ Software and the installation guide using the links in the Installation Guide & Software Downloads section.
- 3M Technician Code Request.
Technical Support Documents
-
3M™ E-A-Rfit™ Validation System FAQs (PDF, 247KB)
-
E-A-Rlog 5 Hearing Protector Performance (PDF, 210KB)
-
E-A-Rlog 20 The Naked Truth About NRRs (60KB) (PDF, 60KB)
-
Reprint of an invited peer-reviewed paper, from a 2011 special issue of Noise & Health, that examines and validates the technology behind F-MIRE measurements of hearing protector attenuation.
-
Reprint of a peer-reviewed paper, from the December 2014 issue of Workplace Health & Safety, that reports the results of field research using the 3M™ E-A-Rfit™ Validation system.
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 1-800-243-4630 then select menu options 1-2-5.
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.
Calibration & Repair of 3M™ E-A-Rfit™ Systems
-
US Customers:
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.US Customers:
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.
