Ref level 1 mw 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 6620-01-446-6571
NSN 6130-00-981-5575
NSN 5905-01-382-1630
NSN 6110-00-065-7505
NSN 6110-01-042-9343
NSN 5930-01-425-4010
NSN 6645-00-279-1777
NSN 5905-01-446-7062
NSN 5965-01-367-7380
NSN 5990-01-354-8965
NSN 6645-00-401-5563
NSN 5998-01-116-5194