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 5945-01-550-3138
NSN 5925-01-507-7293
NSN 5930-00-904-3696
NSN 5915-01-022-0434
NSN 6145-01-492-5642
NSN 6135-01-625-0765
NSN 5915-00-906-2214
NSN 5996-01-432-8216
NSN 6650-00-973-2816
NSN 5920-01-436-1438
NSN 6650-00-803-2754
NSN 5895-01-046-9052