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H1-31. Sound Level Meter

Purpose

To demonstrate use of a sound level meter.

Equipment

Sound level meter with TV camera and monitor display, lamp, Gas Pressure Model, Twirl-a-Tune with Vacuum Cleaner, protable audiocassette player with earphones.

Setup Time

10 min.

Images

H1-31

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.

References

Operating Instructions, Realistic Music /Sound, Level Meter Cat. No. 33-1028, Radio Shack.