Tested and validated (accuracy ± 2 dBA) according to standards in a reverberant chamber at the NIOSH acoustics lab – the only proper method to validate accuracy.Developed by experienced acoustics engineers and hearing loss experts.The app was developed to help workers make informed decisions about their noise environment and promote better hearing health and prevention efforts. The NIOSH Sound Level Meter (SLM) app combines the best features of professional sound levels meters and noise dosimeters into a simple, easy-to-use package.
