Self-contained
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 5910-01-512-2300
NSN 5935-01-580-6502
NSN 6645-01-462-3078
NSN 5996-00-090-3518
NSN 5985-00-528-1191
NSN 6685-01-090-0613
NSN 5990-01-256-8441
NSN 2925-00-120-9302
NSN 5905-01-550-7117
NSN 6645-01-271-7583
NSN 5895-01-048-0705
NSN 6650-00-578-6543