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 6145-00-904-7563
NSN 5910-00-598-3674
NSN 6320-00-445-1187
NSN 7035-00-470-4977
NSN 5910-01-070-7113
NSN 6620-00-935-1321
NSN 6130-01-119-5588
NSN 7035-00-193-2269
NSN 6145-00-545-7215
NSN 6220-01-527-2696
NSN 6105-01-263-7234
NSN 6320-01-610-3821