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 6105-01-618-4343
NSN 4140-00-141-0132
NSN 5910-01-487-6295
NSN 5910-01-160-0054
NSN 5945-01-073-9380
NSN 6130-01-311-7561
NSN 6150-01-379-5774
NSN 7035-01-035-7020
NSN 5975-01-418-1858
NSN 5990-01-287-9447
NSN 5920-01-592-9983
NSN 5965-00-296-1808