An instrument specifically designed to measure the amplitude and frequency of the constituents of a complex electrical wave form. May include transducer mechanism for converting sound pressure into electrical energy.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5950-00-060-1392
NSN 5945-00-443-0003
NSN 5915-01-518-1551
NSN 5999-00-121-5333
NSN 4140-00-279-3148
NSN 4140-01-120-1622
NSN 7035-01-445-3563
NSN 6105-00-113-0679
NSN 5950-00-835-9142
NSN 5975-00-529-3835
NSN 5915-00-346-8167
NSN 6130-00-197-9371