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 5895-01-642-4795
NSN 5910-01-443-3625
NSN 5915-01-098-1962
NSN 6150-01-398-9850
NSN 6645-01-463-4314
NSN 6610-01-146-8061
NSN 5935-00-231-5113
NSN 5935-00-538-4206
NSN 6110-01-465-2800
NSN 6620-01-569-4621
NSN 4140-01-553-3349
NSN 6220-01-154-3213