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 5835-00-471-2660
NSN 6145-00-369-3880
NSN 6105-00-468-2705
NSN 6645-01-144-4408
NSN 5835-01-350-0566
NSN 6320-01-384-7079
NSN 6110-00-850-2860
NSN 6150-01-323-0520
NSN 2925-01-528-7333
NSN 5950-00-584-4571
NSN 5950-00-035-8791
NSN 5925-00-622-0354