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 5998-01-226-3809
NSN 6220-00-099-9192
NSN 5945-01-580-4199
NSN 7035-01-448-4740
NSN 6150-00-189-0292
NSN 5905-01-634-0595
NSN 6645-01-569-9087
NSN 5975-01-415-3331
NSN 5910-00-935-6459
NSN 7035-01-585-0085
NSN 5950-00-597-3661
NSN 6320-00-377-5683