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 6130-00-401-5556
NSN 6610-01-329-9067
NSN 6685-01-009-8690
NSN 6320-01-643-0850
NSN 6135-01-598-9890
NSN 5985-01-157-9760
NSN 5965-01-393-5833
NSN 6105-00-165-1619
NSN 6620-01-261-2985
NSN 4140-00-961-8005
NSN 6650-00-059-6268
NSN 5960-00-564-4792