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 6130-01-507-0801
NSN 6685-00-717-4058
NSN 4140-00-152-7092
NSN 5910-01-383-7135
NSN 5920-01-512-2054
NSN 5999-00-477-1368
NSN 6620-01-205-3825
NSN 5950-01-515-7681
NSN 6620-01-315-2414
NSN 5998-01-041-4550
NSN 5990-00-206-3753
NSN 5935-01-076-9096