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 5930-01-464-4488
NSN 5960-01-086-6736
NSN 6645-01-408-6568
NSN 6130-00-371-8337
NSN 5999-00-290-5898
NSN 6620-00-430-5727
NSN 5945-01-153-7853
NSN 5998-01-433-3851
NSN 5910-01-422-0380
NSN 2925-01-429-2235
NSN 5910-01-168-1108
NSN 5996-00-782-1365