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 7035-00-763-6180
NSN 5990-01-463-5400
NSN 6645-01-352-0886
NSN 5915-01-443-3881
NSN 6135-01-354-5535
NSN 6150-00-899-0740
NSN 5965-01-499-7318
NSN 6220-01-381-1793
NSN 5998-01-069-2398
NSN 6110-01-465-2067
NSN 6620-01-434-3675
NSN 6645-00-539-1705