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 5950-00-118-4021
NSN 6220-01-532-9800
NSN 5910-00-554-1422
NSN 5975-00-849-6717
NSN 6650-01-177-0632
NSN 5999-01-603-2223
NSN 5910-01-295-2223
NSN 6650-00-992-4540
NSN 6135-01-265-1384
NSN 6240-00-072-9966
NSN 5835-00-411-0591
NSN 6110-01-443-8580