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 6650-01-392-8086
NSN 5999-00-974-4045
NSN 6650-01-557-6366
NSN 5895-01-566-3926
NSN 6645-01-258-6928
NSN 5935-00-818-6160
NSN 5965-01-167-8513
NSN 6110-00-450-0194
NSN 5905-01-160-1456
NSN 5965-01-439-0793
NSN 5835-01-519-3834
NSN 6620-01-481-1358