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 6145-01-459-4472
NSN 5920-01-264-4950
NSN 6320-01-309-9595
NSN 4140-00-478-2012
NSN 5950-00-692-3126
NSN 5965-01-413-4424
NSN 5985-01-128-6176
NSN 6135-00-416-2898
NSN 6240-01-311-1121
NSN 5975-00-726-3565
NSN 6240-01-321-9552
NSN 5975-00-058-1418