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 5965-00-501-7835
NSN 5930-01-207-0601
NSN 6650-01-177-4398
NSN 6645-00-572-2535
NSN 6650-01-466-9480
NSN 5930-01-540-5622
NSN 6105-01-406-4844
NSN 5990-01-024-9659
NSN 6685-01-380-9310
NSN 5975-00-931-7910
NSN 6650-01-505-1127
NSN 7035-01-361-8821