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 5920-01-634-0250
NSN 5975-01-086-6222
NSN 5990-00-113-2653
NSN 5925-00-235-0046
NSN 5835-00-987-9341
NSN 5960-00-937-9353
NSN 7035-01-315-9754
NSN 5920-00-889-7826
NSN 5960-01-112-5751
NSN 5855-01-305-3292
NSN 5925-01-244-7581
NSN 6650-01-158-6888