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 5925-01-053-3993
NSN 6130-01-123-5773
NSN 5935-00-001-7558
NSN 4140-01-377-3471
NSN 6320-01-519-8767
NSN 5930-01-232-0132
NSN 6150-01-148-6462
NSN 6645-01-342-1069
NSN 5835-01-330-8597
NSN 5960-00-190-5817
NSN 5996-01-514-9292
NSN 6105-00-894-4873