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 6110-01-465-7665
NSN 5920-01-120-9817
NSN 6620-01-369-3589
NSN 5855-01-546-6954
NSN 5925-01-482-8353
NSN 5910-00-562-0428
NSN 5965-01-633-8849
NSN 6105-00-244-5197
NSN 5975-01-453-0506
NSN 7035-01-443-3052
NSN 5985-01-322-8290
NSN 5935-01-360-5994