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 4140-00-696-4556
NSN 5999-01-449-4209
NSN 6685-00-780-7787
NSN 6650-00-854-0265
NSN 5930-01-390-6329
NSN 6150-00-530-3046
NSN 5960-00-308-9123
NSN 5915-00-078-5147
NSN 5915-01-417-3123
NSN 7035-01-386-5722
NSN 5915-01-597-1364
NSN 5935-01-128-8999