5
Names of Parts and Functions
Coupler
Coupler Insert the microphone of the sound pressure measurement
system (sound level meter) here.
Use the 1/2-inch or 1/4-inch adapter as required to match
the microphone dimensions.
Coupler
Important
The coupler section also contains the piston part that generates sound pressure.
If a foreign object enters the coupler, correct sound pressure and frequency are
not assured.
•
Never insert fi nger or any kind of stick into the coupler.
•
Protect the coupler from any metallic or other foreign matter and from water,
oil, or any other kind of liquid.
•
Protect the coupler from dust and other contamination.