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 6685-01-425-6477
NSN 6650-01-240-2334
NSN 6645-01-305-8042
NSN 6220-00-605-0404
NSN 2925-01-154-2949
NSN 5905-01-236-5519
NSN 6650-00-393-0447
NSN 5895-00-791-5661
NSN 5975-00-660-5962
NSN 5965-01-064-7496
NSN 6320-00-977-3930
NSN 5895-01-236-8969