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 5999-01-061-1745
NSN 6220-00-033-7234
NSN 5910-00-017-2731
NSN 5999-00-004-4968
NSN 5945-01-067-7955
NSN 5855-01-634-0259
NSN 5910-01-511-0224
NSN 5960-01-481-8051
NSN 5999-00-889-9125
NSN 6240-01-072-9652
NSN 5905-01-147-5708
NSN 5915-01-575-7317