Capability to calibrate either internal or external microphone.Includes multiple metrics, including 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).Meets Type 2 requirements of IEC 61672:3 SLM standard when used with calibrated external microphone.
Accurate within ± 2 dBA tested according to standards in a reverberant chamber at the NIOSH acoustics laboratory.Connects to technical support from NIOSH hearing experts.Provides the most relevant metrics found in professional sound instruments today.Provides informational screens on hazardous noise levels, conducting noise measurements, selecting a hearing protector, and hearing loss guidelines.Provides an accurate measurement of noise levels using any iOS device.Developed by experienced acoustics engineers and hearing loss experts.
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