File:NIOSHSoundLevelMeter.jpg

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Summary

Description
English: NIOSH Sound Level Meter app using iPhone 7 and external microphone
Date
Source Self-photographed
Author Chuck Kardous

Licensing

Public domain
This image is a work of the National Institute for Occupational Safety and Health, part of the Centers for Disease Control and Prevention in the United States Department of Health and Human Services, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.

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8 December 2017

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Date/TimeDimensionsUserComment
current12:07, 13 June 20182,448 × 3,696 (2.14 MB)Chuck Kardous (NIOSH)User created page with UploadWizard

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