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 5895-01-441-9630
NSN 5996-01-504-7033
NSN 5905-01-307-9284
NSN 4140-01-373-0731
NSN 6650-01-010-0107
NSN 5965-01-350-1890
NSN 5990-00-785-8601
NSN 6645-01-517-0259
NSN 5960-01-595-6515
NSN 5960-01-523-9098
NSN 5905-00-771-2311
NSN 5999-00-232-3130