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 5920-00-526-9238
NSN 6135-01-154-3526
NSN 5835-01-324-3967
NSN 5930-01-219-5514
NSN 5950-01-509-0296
NSN 5855-00-185-1560
NSN 5925-00-830-8148
NSN 5905-00-229-6814
NSN 6220-01-443-1213
NSN 5945-01-648-4778
NSN 6105-01-076-5183
NSN 5935-00-574-5687