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 5895-00-042-8035
NSN 5925-01-255-3914
NSN 5960-01-146-0289
NSN 5915-01-368-3614
NSN 5945-01-465-0138
NSN 5835-01-332-2867
NSN 5985-01-459-8441
NSN 6610-00-782-0382
NSN 5930-00-266-8175
NSN 6620-01-448-1423
NSN 6240-01-383-8579
NSN 5915-00-066-5146