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 6320-00-025-9910
NSN 7035-01-510-8787
NSN 5855-01-180-5369
NSN 6145-00-257-1080
NSN 5996-00-469-0737
NSN 6620-01-292-2253
NSN 5950-00-300-4763
NSN 5950-01-606-9819
NSN 4140-01-467-8221
NSN 5935-00-952-8197
NSN 5930-01-284-6857
NSN 6135-01-478-9316