Specifications:

• Model: 3M E-A-Rfit 393-1100
• Type: Dual-Ear Validation System
• Fit testing method: Objective, quantitative measurement
• Technology: Measures real-ear attenuation at multiple frequencies
• Purpose: Validates the effectiveness of hearing protection devices (HPDs)
• Compatibility: Works with most 3M earplugs and earmuffs
• System components: Software, headset with microphones, speaker inserts
• Testing time: Under five seconds per ear
• Power source: USB connection to computer
• Data output: Individual fit test results with printable reports
• Packaging: 1 Kit

Ideal Industries:

• Transportation
• Pharmaceutical
• Military
• Maintenance, Repair & Operation (MRO)
• Metal Fabrication
• Mining Oil & Gas
• Food Safety
• General Manufacturing
• Food Processing
• Automotive

Ideal Applications:

• Facility Maintenance
• Grinding
• Sanding
• Health & Safety Testing
• Welding
• Assembly
• Demolition

The 3M E-A-Rfit 393-1100 Dual-Ear Validation System is a precision-engineered solution designed to verify the real-world effectiveness of hearing protection devices, helping safety professionals ensure workers are properly protected in high-noise environments. Utilizing advanced microphone-in-real-ear (MIRE) technology, this dual-ear fit testing system measures personal attenuation ratings (PAR) simultaneously for both ears, delivering fast, accurate, and repeatable results that support OSHA compliance and comprehensive hearing conservation programs. A common question buyers ask is how this system improves over traditional fit testing methods; the answer lies in its ability to provide immediate, quantitative feedback, allowing users to adjust earplugs or earmuffs on the spot for optimal protection. Another frequent concern is compatibility—this system is specifically designed to work seamlessly with a wide range of 3M hearing protection products, ensuring consistent and reliable validation across PPE inventories. Safety managers also benefit from integrated software that simplifies data tracking, reporting, and recordkeeping, making audits and compliance documentation more efficient. Whether you are implementing a new hearing safety program or upgrading your existing PPE validation process, this system enhances worker confidence, reduces risk of noise-induced hearing loss, and improves overall workplace safety outcomes. Enviro Safety Products is a trusted and experienced supplier of certified PPE, providing reliable access to advanced solutions like the 3M E-A-Rfit system to support professional-grade safety programs across demanding industries.

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