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 5855-00-114-4954
NSN 5915-01-095-1586
NSN 6145-01-581-2744
NSN 5930-01-424-4568
NSN 5935-01-565-1489
NSN 6320-01-212-8749
NSN 4140-01-520-5846
NSN 5999-00-352-9434
NSN 5960-01-287-4187
NSN 6220-00-624-9028
NSN 6145-01-237-5325
NSN 5945-01-613-7743