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 5920-00-910-0315
NSN 5915-00-288-0071
NSN 5935-01-500-5705
NSN 6645-00-283-6794
NSN 5835-01-221-0451
NSN 5920-00-045-4211
NSN 5855-01-486-9924
NSN 5996-01-028-7884
NSN 5935-01-417-1004
NSN 5999-00-256-6842
NSN 5960-01-416-6187
NSN 6220-01-004-8909