Special Features:

Provides octave band analysis from 31.5 hz to 16 khz; has peak or impulse noise measurement capability

Properties:

An instrument which measures the ratio of electrical power with reference to a predetermined value and is calibrated in units of sound intensity, usually decibels. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. if other than audio frequency ranges, see meter, noise level.