The weighting is user-selectable and can be accessed in the “Settings” screen. The NIOSH Sound Level Meter app has many important features, it provides a readout of the sound level using the built-in microphone (or external microphone if used) and reports the instantaneous sound level in A, C, or Z-weighted decibels.
#ONLINE DECIBEL METER HOW TO#
Up-to-date informational screens on what noises are considered hazardous, how to conduct a noise measurement, how to properly select a hearing protector, and guidelines for preventing hearing loss.
Capability to calibrate either internal or external microphone.Averages such as LAeq and TWA, Max and Peak Levels, Noise Dose and Projected Dose according to NIOSH and OSHA standards, and all three major weighting networks (A, C, and Z). Provides the most relevant metrics found in professional sound instruments today.Meets Type 2 requirements of IEC 61672:3 SLM standard when used w/ external calibrated microphone.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.
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