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 5930-01-357-6648
NSN 5855-00-014-5008
NSN 6610-00-403-8581
NSN 6320-01-481-7322
NSN 4140-01-650-4387
NSN 5965-01-532-2112
NSN 6645-01-533-3786
NSN 5925-01-167-5954
NSN 6130-01-142-2698
NSN 2925-01-480-3351
NSN 6320-01-103-6218
NSN 6145-01-104-5084