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 6110-01-564-0790
NSN 4140-00-823-9194
NSN 5905-01-423-0589
NSN 5960-01-301-3315
NSN 5960-00-884-2535
NSN 5975-00-189-0093
NSN 5990-00-366-0112
NSN 6220-00-873-6261
NSN 5895-01-090-0567
NSN 2925-00-010-2632
NSN 5990-00-400-4794
NSN 5945-01-481-4089