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 5855-01-394-3688
NSN 6610-01-416-2738
NSN 5985-01-323-0735
NSN 2925-01-484-8556
NSN 5930-01-477-5475
NSN 5945-01-595-7658
NSN 5965-00-194-9428
NSN 5965-01-487-4479
NSN 5965-00-007-7863
NSN 5930-01-572-1406
NSN 6645-00-244-0359
NSN 5975-01-609-3575