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 6620-01-451-8989
NSN 5920-01-563-6425
NSN 4140-01-565-0979
NSN 5965-01-233-2759
NSN 5925-00-477-2703
NSN 5996-01-121-8430
NSN 5905-01-221-2463
NSN 2925-00-446-6453
NSN 5930-01-083-9909
NSN 6685-01-084-1433
NSN 5990-01-555-6616
NSN 6135-01-333-6737