NIOSH Sound Level Meter

NIOSH Sound Level Meter is a free utility app for iPhone that provides users with an accurate and user-friendly experience for measuring sound levels. Developed by experts in acoustics and hearing loss prevention, this app combines the functionalities of professional sound level meters and noise dosimeters, ensuring precise measurements validated by NIOSH standards. Users can expect an accuracy of ±2 dBA, making it suitable for various applications, from personal use to professional environments.

The app features essential metrics such as LAeq, Max and Peak Levels, Noise Dose, and Projected Dose, adhering to NIOSH and OSHA standards. It supports all three major weighting networks (A, C, and Z) and allows for calibration of internal or external microphones. With additional informative resources on hazardous noise levels and hearing protection, along with compatibility with Apple’s Health app, NIOSH Sound Level Meter serves as a vital tool for anyone focused on noise measurement and hearing health.