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 6220-01-571-7526
NSN 5930-01-042-8923
NSN 5945-00-239-6254
NSN 5905-01-159-2559
NSN 5925-01-237-3886
NSN 6620-01-464-3087
NSN 5925-00-145-9065
NSN 6320-01-288-4783
NSN 5855-01-175-3990
NSN 2925-01-400-2286
NSN 5935-01-564-5780
NSN 7035-01-492-5271