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 6150-00-150-8838
NSN 5996-01-016-6937
NSN 6150-01-195-1474
NSN 6105-00-862-3212
NSN 6240-01-384-3887
NSN 6130-00-482-7440
NSN 6685-01-392-1513
NSN 5996-01-552-8081
NSN 5945-00-274-2398
NSN 5999-01-003-7289
NSN 6150-00-865-9011
NSN 5905-01-129-2672