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 6320-01-607-1491
NSN 5835-00-111-3419
NSN 6135-01-345-6157
NSN 5965-01-502-3650
NSN 5920-01-589-2416
NSN 5925-01-528-6559
NSN 6220-00-886-4717
NSN 5999-00-792-8667
NSN 6130-01-138-2470
NSN 6220-00-907-3526
NSN 5990-00-576-4882
NSN 6135-00-334-4500