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 5925-01-651-2042
NSN 5960-01-399-4327
NSN 6320-00-553-1310
NSN 7035-00-300-3208
NSN 6650-00-005-8572
NSN 5990-01-492-9887
NSN 4140-01-108-3654
NSN 2925-00-149-0760
NSN 5855-00-631-4565
NSN 5920-01-208-6416
NSN 6135-01-438-9450
NSN 2925-01-076-5219