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 6220-01-442-5699
NSN 5895-00-143-8136
NSN 5945-01-026-3947
NSN 5975-01-250-7120
NSN 5925-01-205-7482
NSN 6620-01-160-0439
NSN 6620-01-498-4780
NSN 6105-00-707-5962
NSN 5985-01-012-4281
NSN 5930-01-191-4073
NSN 6685-01-361-5998
NSN 6620-01-308-5723