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 5935-01-036-1926
NSN 5925-01-453-2864
NSN 6620-00-758-5233
NSN 5930-00-756-0439
NSN 4140-01-221-4050
NSN 5930-01-425-4010
NSN 6240-01-541-2503
NSN 5999-01-541-5931
NSN 5960-01-178-3845
NSN 5930-00-044-4347
NSN 5895-01-610-5758
NSN 6620-00-932-4306