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 5996-00-195-0918
NSN 6620-00-593-1172
NSN 5920-00-189-0858
NSN 5999-00-917-8726
NSN 4140-00-267-8813
NSN 6240-01-431-5790
NSN 5998-01-437-9585
NSN 6240-01-089-6149
NSN 5920-00-929-5963
NSN 5990-01-045-7754
NSN 6650-01-152-0665
NSN 5990-00-344-2062