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 5935-00-789-6267
NSN 6220-00-512-9472
NSN 5895-00-402-5511
NSN 5895-00-491-1296
NSN 6610-01-163-5484
NSN 6105-01-401-5361
NSN 5960-01-589-6846
NSN 2925-01-327-3069
NSN 6620-01-345-4835
NSN 5975-01-381-1086
NSN 6620-00-221-4964
NSN 6650-01-092-0017