An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5915-00-754-9891
NSN 5920-01-201-7346
NSN 5835-01-332-2867
NSN 5965-01-138-1865
NSN 6105-01-078-1783
NSN 6650-01-389-5862
NSN 5915-01-100-4105
NSN 6610-01-450-1042
NSN 5910-01-351-3653
NSN 6610-01-085-6947
NSN 5996-01-559-8221
NSN 5999-00-008-4217