Economy Sound Level Meter
A Versatile and Essential Instrument for Any Sound Lab
This meter lets students monitor the decibel level of various sound. It has a clearly zoned dial switch that controls the detection of sound on two separate ranges. This selection gives youa wider overall range of measurement than single range meters. The first range covers points including and slightly beyond the comfort zone for most people; the second range extends from very loud street traffic noises up to sounds that are painful for humans. Includes a 9V battery. its own carrying case and instructions.