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.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5985-01-275-0846
NSN 6650-00-397-6893
NSN 5990-00-476-8570
NSN 5960-01-138-5897
NSN 5998-01-309-7929
NSN 6610-01-188-8163
NSN 5945-01-413-0039
NSN 6620-01-560-7832
NSN 6110-01-167-7611
NSN 6105-01-649-3569
NSN 5910-00-763-7984
NSN 5975-01-061-0126