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 7035-01-456-4490
NSN 6135-01-285-1925
NSN 6645-01-419-2813
NSN 5945-01-330-3020
NSN 5935-00-900-4742
NSN 2925-01-586-8850
NSN 5910-00-351-5980
NSN 6105-01-076-5183
NSN 6220-01-171-6976
NSN 5960-00-167-0397
NSN 6610-00-020-9894
NSN 6130-01-576-9618