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 2925-01-466-0892
NSN 6320-01-425-1417
NSN 6110-01-335-3541
NSN 6610-00-113-4552
NSN 5965-01-310-0634
NSN 5990-01-326-9862
NSN 5990-00-357-8103
NSN 6150-01-445-6273
NSN 5905-01-393-1471
NSN 5905-01-630-5644
NSN 2925-00-613-2515
NSN 5920-00-034-0940