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 5985-01-422-8561
NSN 5950-00-259-5807
NSN 6645-01-407-0204
NSN 7035-01-585-8056
NSN 6645-01-633-1852
NSN 5950-01-156-7613
NSN 5996-00-904-2038
NSN 5950-00-426-4349
NSN 6240-01-252-9374
NSN 6240-00-078-2360
NSN 5965-01-191-0735
NSN 6645-00-409-2168