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 5950-01-097-7849
NSN 5930-00-100-7171
NSN 5960-00-109-2806
NSN 7035-00-225-6499
NSN 5895-00-943-0430
NSN 5925-00-734-1441
NSN 6240-00-865-7447
NSN 5915-01-450-4311
NSN 6130-01-159-6153
NSN 6645-00-467-6094
NSN 5990-01-324-7529
NSN 6610-00-737-8660