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 5925-01-391-4986
NSN 5895-01-421-1767
NSN 6150-01-350-4463
NSN 5855-01-364-1005
NSN 5930-00-243-8414
NSN 5895-01-361-8242
NSN 6105-01-391-7722
NSN 5990-00-845-2864
NSN 5915-01-294-1374
NSN 5925-00-153-4518
NSN 5945-01-267-7192
NSN 5960-00-181-0640