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 6130-01-007-5524
NSN 5985-00-845-6997
NSN 5855-01-076-9369
NSN 5930-00-053-8674
NSN 2925-01-649-7543
NSN 5910-01-650-5882
NSN 5895-01-559-6731
NSN 6130-00-935-5589
NSN 5950-01-415-5752
NSN 6645-00-150-6526
NSN 5985-01-335-0388
NSN 6105-01-392-1539