Ref level 6mw at 600 ohms impedance
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 6685-00-616-3878
NSN 4140-01-351-8962
NSN 6145-00-655-2738
NSN 6220-01-087-0325
NSN 6240-00-589-4515
NSN 5895-01-025-0971
NSN 5975-00-565-1071
NSN 6105-01-186-9639
NSN 5910-01-577-3760
NSN 6145-01-142-9984
NSN 5920-00-753-5113
NSN 6150-01-604-7460