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 5990-00-102-7423
NSN 5835-01-143-9143
NSN 6645-01-656-6416
NSN 5895-01-298-5205
NSN 6610-01-599-4462
NSN 6150-00-757-9023
NSN 5915-01-218-6100
NSN 6620-01-582-0090
NSN 6145-00-194-3684
NSN 6610-00-273-9019
NSN 4140-00-918-7837
NSN 4140-00-370-1257