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 5960-01-310-3863
NSN 6650-00-646-7288
NSN 5920-01-204-2857
NSN 5999-01-437-1252
NSN 4140-01-092-0807
NSN 6240-00-368-8541
NSN 5960-00-708-7131
NSN 6650-01-559-7635
NSN 5920-01-063-7799
NSN 6650-01-573-4044
NSN 4140-01-580-2319
NSN 6150-01-278-5150