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 6220-01-152-2637
NSN 6220-01-235-9027
NSN 5935-01-327-2340
NSN 6240-00-139-5367
NSN 2925-01-328-0144
NSN 5950-01-377-0121
NSN 6650-00-919-5521
NSN 5998-01-486-1820
NSN 6620-01-282-8836
NSN 6150-01-314-5819
NSN 6130-00-400-5774
NSN 6620-00-229-2728