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 5925-01-410-6962
NSN 6110-01-188-7432
NSN 6145-00-705-6686
NSN 5925-01-504-0934
NSN 6645-01-607-4078
NSN 6645-01-608-6471
NSN 6650-01-317-0015
NSN 5855-01-103-8650
NSN 5945-00-917-6015
NSN 5905-00-918-3559
NSN 6105-01-358-8851
NSN 6150-01-398-9850