Sound Level Meters

Public domain image - Environmental protection federal program, the 1970s, color photographs, no copyright restrictions - Picryl description

Nederlands: Collectie / Archief : Fotocollectie Anefo Reportage / Serie : [ onbekend ] Beschrijving : Onderzoek geluidsinstallatie Tweede Kamer Datum : 13 oktober 1987 Trefwoorden : onderzoeken Instellingsnaam More

Nederlands: Collectie / Archief : Fotocollectie Anefo Reportage / Serie : [ onbekend ] Beschrijving : Minister Westerterp stelt geluidsmeetauto op startbaan bij Schiphol in gebruik Datum : 20 maart 1974 Locati More

Nederlands: Collectie / Archief : Fotocollectie Anefo Reportage / Serie : [ onbekend ] Beschrijving : Verkeerspolitie test geluid van de uitlaten van brommers, Amsterdam; agent test brommer met decibelmeter Da More

Nederlands: Collectie / Archief : Fotocollectie Anefo Reportage / Serie : [ onbekend ] Beschrijving : Verkeerspolitie test geluid van de uitlaten van brommers, Amsterdam; agent test brommer met decibelmeter Da More

Collection Name: Commerce and Industrial Development Photograph Collection Photographer/Studio: Massie, Gerald R. Description: Close up of case and microphone device, used for measuring sound levels during sir More

Collection Name: Commerce and Industrial Development Photograph Collection Photographer/Studio: Massie, Gerald R. Description: Man holds case with microphone device (sound level monitor) on top of mailbox in f More

Collection Name: Commerce and Industrial Development Photograph Collection Photographer/Studio: Massie, Gerald R. Description: Three men crouch down, observing machine with microphone attachment that is restin More

Screen from the NIOSH Sound Level Meter app showing various noise levels and when noise becomes hazardous to hearing

Sound level inside cabin during takeoff

Screen from the NIOSH Sound Level Meter app showing various noise levels and when noise becomes hazardous to hearing

Making a noise measurement using the NIOSH SLM app

Calibrating an external microphone running NIOSH SLM app and using an external microphone

NIOSH Sound Level Meter app using iPhone 7 and external microphone

Testing the NIOSH Sound Level Meter app against type 1 sound level meter at the NIOSH acoustics laboratory

Personal noise dosimeters used to capture occupational noise exposures

Personal noise dosimeters used to capture occupational noise exposures

Worker wearing personal noise dosimeter

Sound level at outdoor concert using the NIOSH Sound Level Meter app

The NIOSH smartphone sound level meter app for iOS devices

Measuring noise levels at a toll booth

Puget Sound (Oct. 26, 2006) - Lt. Cmdr. Paul Treadway, Industrial Hygiene Officer and Assistant Safety Officer of the Nimitz-class aircraft carrier USS Abraham Lincoln (CVN 72), uses a sound level meter to dem More

Exhibit in the Putnam Gallery - Harvard University - Cambridge, Massachusetts, USA. Please note that equipment in this exhibit is not subject to US copyright law. According to the US government: "A 'useful art More

Deutsch: Lärmampel. Akustisches Messgerät zur optischen Anzeige des Lärmpegels in Farbstufen bei überhöhten Innenraumpegeln z. B. in Unterrichtsräumen von Schulen oder Gruppenräumen von Kitas. English: noisy More