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 5998-00-808-6567
NSN 6105-00-936-9771
NSN 5999-01-536-4832
NSN 5950-01-504-5833
NSN 5965-00-961-1627
NSN 5950-01-184-7578
NSN 5910-00-918-7554
NSN 5930-00-303-8130
NSN 5985-01-520-5892
NSN 5925-00-492-7905
NSN 5835-01-566-5462
NSN 5945-00-543-8890