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||<:30%>[[PiraScheme#WavesSound| Table of Waves and Sound Demonstration]]||<:30%>[[WSEquipmentList| Wave and Sound Equipment List]]||<:30%>[[Demonstrations|Lecture Demonstrations]]||

= Sound Intensity Meter, 3C30.22 =

'''Topic and Concept:'''
  Acoustics, [[Acoustics#Intensity| 3C30. Intensity and Attenuation]]

'''Location:'''
 * '''Cabinet:''' [[WavesSoundCabinet| Waves and Sound (WS)]]
 * '''Bay:''' [[WSCabinetRtBayA2|(A2 Right)]]
 * '''Shelf:''' #3

{{attachment:SoundMeter01-400.jpg}}

'''Abstract:'''

A sound level meter is used to measure the intensity of the instructor speaking, the audience, etc.

||<:style="width: 60%" :40%>'''Equipment'''||<:30%>'''Location'''||<:25%>'''ID Number'''||
|| || || ||
||Intensity Meter||[[WSCabinetRtBayA2| WS, Bay A2 Right, Shelf #3]]|| ||


'''''Important Setup Notes:''''' 
 *  '''''The batteries may need to be changed.'''''


'''Setup and Procedure:''' 

 1. Turn the sound meter on.
 1. Talk at various volumes to show how the intensity changes.
 1. Try other sources such as the murmur of the audience.

'''Cautions, Warnings, or Safety Concerns:'''
 * N/A


'''Discussion:''' 

Discuss the physics behind the demonstration, explaining some of the various steps of the demonstration when appropriate.

||{{attachment:SoundMeter02-250.jpg}}||{{attachment:SoundMeter03-250.jpg}}||{{attachment:SoundMeter06-250.jpg}}||

'''Videos:'''
 * [[https://www.youtube.com/user/LectureDemostrations/videos?view=1|Lecture Demonstration's Youtube Channel]]

'''References:'''

 * [[https://en.wikipedia.org/wiki/Sound_intensity|Wikipedia - Sound Intensity]]


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