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 5905-01-634-0595
NSN 6320-01-176-8367
NSN 6145-00-887-1439
NSN 5999-01-622-8909
NSN 5996-01-459-8590
NSN 5935-00-472-0676
NSN 6130-01-199-2068
NSN 6610-01-598-6052
NSN 5925-01-206-5484
NSN 5905-01-233-3210
NSN 5920-01-380-1663
NSN 7035-00-104-7613