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 6620-00-405-4621
NSN 6145-00-122-9517
NSN 6320-01-106-4414
NSN 6645-00-079-1430
NSN 6645-01-388-0391
NSN 6645-01-396-6976
NSN 6240-00-689-8504
NSN 5835-00-953-4061
NSN 6650-01-212-3964
NSN 5985-00-848-7570
NSN 5998-00-277-7552
NSN 5996-00-923-2388