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 5925-01-047-8884
NSN 5905-00-050-5210
NSN 5945-00-149-1857
NSN 2925-00-644-0028
NSN 5930-01-254-2204
NSN 6320-01-232-4664
NSN 6645-01-256-3375
NSN 5985-01-025-1951
NSN 6110-00-928-2467
NSN 6130-01-376-9325
NSN 6645-00-155-2398
NSN 5985-01-288-6375