ID Code: H1-31
Purpose: Demonstrate use of a sound level meter.
Description: The sound level meter is viewed by a TV camera and displayed on a monitor. Several loud sources are provided, including the Gas Pressure Model with ball bearings, the Twirl-a-Tune with Vacuum Cleaner, and a portable audiotape machine with earphones. It is easy to get over 100 dB in the earphones.
Availability: Available