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 5975-01-200-6048
NSN 6130-00-141-8317
NSN 5895-01-357-6149
NSN 6620-01-519-7234
NSN 6130-00-346-6710
NSN 5960-01-543-0235
NSN 6150-01-646-7660
NSN 5975-00-329-4443
NSN 7035-01-594-9198
NSN 6650-01-183-0711
NSN 5920-01-467-3246
NSN 5915-00-771-8808