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 6105-01-406-4264
NSN 6135-01-189-5567
NSN 6150-01-273-6535
NSN 5985-00-593-3211
NSN 5935-01-226-1377
NSN 5910-01-587-5979
NSN 5945-01-069-1327
NSN 6240-01-289-9898
NSN 6220-01-291-7479
NSN 5975-00-116-3874
NSN 5985-01-440-9042
NSN 6685-00-186-0190