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 6650-01-600-2980
NSN 6610-00-049-6497
NSN 6685-00-148-9729
NSN 4140-01-381-0099
NSN 7035-00-358-0470
NSN 6220-01-633-2754
NSN 6240-00-875-8075
NSN 6105-01-349-3656
NSN 2925-01-604-8984
NSN 5915-00-978-6465
NSN 2925-01-310-3232
NSN 5925-01-569-2452