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 5920-01-541-5030
NSN 5915-00-582-1499
NSN 4140-00-696-4556
NSN 6105-01-296-9628
NSN 5975-01-648-3708
NSN 5960-00-450-3541
NSN 6130-01-634-0603
NSN 5996-00-673-8282
NSN 6130-00-874-4578
NSN 6645-01-521-5637
NSN 6130-01-516-7669
NSN 6130-01-109-8178