3M™ E-A-Rfit™ Dual-Ear Validation System 393-1100

3M E-A-Rfit Dual-Ear Validation System, 125 - 8000 Hz

• Dual-element, dual-microphone assembly is the key to the system, measuring sound levels inside and outside the hearing protector
• Science-based, quantitative testing gives accurate reports of hearing protection
• Fast, clear, accurate results are obtained in just seconds and can be printed or saved electronically for future reference
• System determines personal attenuation rating (PAR) of individual workers and helps remove measurement, fitting and spectral uncertainty
• Dual ear design saves time by measuring both ears simultaneously in under five seconds
• System tests across 7 standard frequencies
• Works with a large variety of 3M hearing protection products like ear plugs banded hearing protectors and earmuffs
• Simple, easy-to-use intuitive software
• Requires probed test plugs, pods or cushions