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 2925-00-432-3410
NSN 5905-01-289-7665
NSN 5990-00-399-2454
NSN 5998-00-391-5986
NSN 6130-00-841-8917
NSN 6150-01-359-4876
NSN 5925-01-520-4211
NSN 5950-00-170-8477
NSN 5950-01-606-9819
NSN 4140-01-075-5455
NSN 5998-01-541-4577
NSN 6610-01-269-5437