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 5915-00-456-0873
NSN 5935-00-723-5429
NSN 5975-00-518-0780
NSN 5950-00-597-8644
NSN 5950-01-217-5289
NSN 6105-01-541-9541
NSN 5998-00-600-5867
NSN 5996-01-368-0078
NSN 6105-01-408-6597
NSN 5905-01-288-8957
NSN 5960-01-588-8410
NSN 5905-00-693-2839