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 7035-00-281-4082
NSN 5975-01-465-3128
NSN 5998-01-076-4729
NSN 6685-01-430-1940
NSN 5925-01-393-3463
NSN 4140-00-876-4067
NSN 4140-01-345-4212
NSN 5910-01-555-7751
NSN 7035-00-763-6180
NSN 5945-00-772-2005
NSN 6610-01-243-8506
NSN 5985-01-507-4229