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 5925-01-432-4518
NSN 6320-01-119-3935
NSN 6130-00-187-0211
NSN 5945-00-465-9516
NSN 5960-01-385-4333
NSN 5990-01-241-2479
NSN 5925-01-429-0392
NSN 6220-01-507-3761
NSN 6145-01-362-5508
NSN 5915-00-203-5890
NSN 5998-00-752-1162
NSN 6130-00-269-8273