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 5945-01-386-5718
NSN 6610-00-958-0294
NSN 5905-01-510-9222
NSN 5915-01-643-5786
NSN 5990-00-412-0019
NSN 5975-00-430-8082
NSN 5925-01-070-1120
NSN 6320-01-036-2598
NSN 6320-01-399-6177
NSN 6620-00-079-4615
NSN 6130-00-980-2032
NSN 5950-01-205-3606