Fit checking hearing protection
How does fit checking minimize the risk of hearing loss claims and help workers properly use hearing protection products? Traditionally, the verification of how well an ear protector (muff or plugs) attenuates has been conducted under laboratory standards that resulted in reporting a noise reduction rating. The resulting NRR score simply implied the expected attenuation when the product was properly installed at the time of use. Eventually, it was recognized that numerous end users weren’t achieving these values for a