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 5915-01-461-3089
NSN 6150-01-383-6501
NSN 5925-01-660-7206
NSN 5895-00-079-2055
NSN 5905-00-345-5373
NSN 6150-01-312-0748
NSN 6685-00-948-8452
NSN 6130-01-094-7070
NSN 6130-01-313-9718
NSN 5975-00-044-2101
NSN 5935-01-222-9464
NSN 5930-00-930-2458