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 5965-01-256-6745
NSN 5999-01-110-6838
NSN 6645-01-189-0275
NSN 6620-00-160-0844
NSN 6645-01-437-9017
NSN 6110-01-417-8928
NSN 5990-00-636-4218
NSN 6620-00-565-9793
NSN 5960-01-023-6618
NSN 6320-00-149-7570
NSN 5950-00-936-9087
NSN 6105-00-957-9252