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 6645-01-220-2838
NSN 4140-00-428-7589
NSN 6650-01-048-3791
NSN 5920-00-849-7678
NSN 5855-00-928-1912
NSN 5855-01-464-1513
NSN 5950-01-148-9878
NSN 6145-00-246-2424
NSN 6135-00-643-4843
NSN 7035-01-442-7947
NSN 5930-00-849-5322
NSN 6320-00-456-0836