Please install the Flash player in order to view a fully-functional version of this page. Click here to download the free plugin.
About Us
News and Events
Shopping Cart
Contact Us
Product Index
SC-3120A - Acoustic Calibrator
The SC-3120A is a pistonphone type precision sound source for use in calibration of measurement microphones. It can accomodate both 1 inch and 1/2 inch microphones.

  • Enables calibration to within ± 0.3dB.
  • Can be used with 1/2 inch microphones.
Applicable Specification IEC 942 Class 1
Frequency 250 Hz ± 1 Hz
Sound Pressure Level 114 dB
Calibration Accuracy ± 0.3 dB
Applicable Microphones 1/2 inch
Method Pistonphone
Distortion 2.5% Maximum
Operating Temperature Range -10 to +50ºC
Storage Temperature Range -20 to +70ºC
Power Supply Three Type AA Batteries
Battery Life 2.5 Hours of Continous Operation
Outer Dimensions 60 (W) x 200 (H) x 38 (D) mm
Mass Approximately 600 g
Accessories Adaptor for 1 inch microphone, Barometer, Type AA Batteries (3), Case

Standard Accessories: Three Type AA Batteries, One Adaptor for 1/2 Inch Microphone, One Barometer, One Hard Shell Transit Case and One Operation Instruction Manual.