Welcome to Michael & Associates, Inc. - an Independent Psychoacoustics Laboratory

Accredited by the National Institute of Standards and Technology (NIST) National Laboratory Voluntary Accreditation Program (NVLAP), Lab number 100427.  These accreditation criteria encompass the requirements of international standards ISO 17025. Accredited to perform testing to the following standards:

ANSI S12.6-2008 - Methods for Measuring the Real-Ear Attenuation of Hearing Protectors

ANSI S3.19-1974 - Method for the Measurement of Real-Ear Protection of Hearing Protectors and Physical Atttenuation of Earmuffs

AS/NZ S1270:2002 - Acoustics—Hearing protectors

ANSI S12.42-2010 - Methods for the Measurement of Insertion Loss of Hearing Protection Devices in Continuous or Impulsive Noise Using Microphone-in-Real-Ear or Acoustic Test Fixture Procedures

EN 352-1 General Requirements for Ear muffs

EN 352-2 General Requirements for Ear plugs

EN 352-3 General Requirements for Cap-mounted ear muffs

EN 352-4 Level dependent ear muffs

EN 352-5 Active noise control ear muffs

EN 352-6 Ear muffs with an audio input

EN 352-7 Level dependent ear plugs

EN 352-8 Entertainment ear muffs