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 6610-01-344-0972
NSN 5920-00-105-9360
NSN 5965-01-259-5291
NSN 5915-01-084-8294
NSN 5905-01-053-0259
NSN 5999-01-427-3702
NSN 6110-00-250-2976
NSN 5915-01-366-9850
NSN 5855-01-409-1792
NSN 5910-01-009-5606
NSN 6610-01-588-1148
NSN 7035-00-205-1932