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 6320-01-082-2970
NSN 6645-01-413-3965
NSN 5910-01-054-4088
NSN 5985-01-322-8290
NSN 5990-01-658-9964
NSN 5905-00-187-5863
NSN 6135-01-031-8078
NSN 6240-01-203-4992
NSN 6135-00-874-6566
NSN 5998-01-289-0937
NSN 5999-00-419-2376
NSN 5835-01-576-5307