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 5930-01-474-6411
NSN 6110-01-171-7155
NSN 6220-00-421-3508
NSN 5835-01-186-4961
NSN 4140-01-607-7799
NSN 5920-01-281-5101
NSN 6240-00-813-0100
NSN 5960-01-546-2379
NSN 2925-01-471-3365
NSN 6240-00-324-5644
NSN 5930-00-030-2839
NSN 6240-01-524-0510