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 5930-01-400-6126
NSN 4140-01-158-9515
NSN 5905-00-903-6304
NSN 5935-00-405-2245
NSN 6240-01-498-3042
NSN 5996-00-518-4880
NSN 5945-01-026-1231
NSN 5920-01-108-9400
NSN 5996-01-271-1542
NSN 5975-01-087-1592
NSN 5925-01-023-4606
NSN 5945-01-295-9094