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 6650-01-100-9964
NSN 6650-00-010-6481
NSN 5920-01-362-0680
NSN 2925-01-222-7764
NSN 5999-01-448-4898
NSN 6620-00-153-0982
NSN 6240-00-372-4841
NSN 6610-00-670-7803
NSN 5950-01-497-8073
NSN 6105-01-607-8916
NSN 6650-01-444-1321
NSN 7035-01-425-8063