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 6650-00-964-9470
NSN 6320-01-600-5808
NSN 5985-00-551-9519
NSN 5915-01-433-3170
NSN 6240-01-386-1354
NSN 5895-00-189-7021
NSN 6105-01-348-8637
NSN 5990-01-400-3299
NSN 6645-01-043-9587
NSN 5965-00-246-5612
NSN 5999-01-071-9090
NSN 5999-00-469-3460