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 6145-00-067-7436
NSN 5975-00-826-8982
NSN 5999-00-088-8979
NSN 6135-01-499-2112
NSN 4140-01-037-6270
NSN 6220-01-416-6324
NSN 2925-00-203-8735
NSN 6105-01-302-9705
NSN 5930-01-141-8567
NSN 5935-01-199-9489
NSN 5935-00-095-4066
NSN 6620-00-708-2688