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 5975-00-286-8506
NSN 6620-01-327-3011
NSN 6645-01-445-9089
NSN 6110-00-724-3136
NSN 6135-00-643-4843
NSN 5965-01-105-7901
NSN 5835-00-841-2650
NSN 5950-00-489-2900
NSN 5835-00-143-4153
NSN 5920-01-573-0137
NSN 5910-01-349-5167
NSN 6320-01-376-2778