Michael & Associates Hearing Protection Validation Systems

Michael & Associates Inc is an independent psychoacoustic laboratory accredited by the National Institute of Standards and Technology (NIST). In addition to testing services, they offer several off-the-shelf products for acoustical testing and measurement泛亚竞猜 including the FitCheck Solo field attenuation estimation system, based on the HPD Well-Fit system developed by and licensed from CDC/NOISH.

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