Glass sealed against water, current ratio type meter
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 5965-01-109-2917
NSN 6645-01-309-6455
NSN 5975-01-274-0322
NSN 6135-01-633-8502
NSN 6130-00-402-0559
NSN 6610-01-364-0294
NSN 5925-00-197-4329
NSN 5950-01-468-5431
NSN 6105-00-239-0266
NSN 5975-01-199-3221
NSN 6610-00-960-7863
NSN 6650-01-378-7875