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 6220-01-500-8120
NSN 5985-00-010-0645
NSN 6150-01-023-7710
NSN 5835-01-360-2657
NSN 5905-00-928-3167
NSN 5895-01-607-7544
NSN 6130-01-555-6204
NSN 5925-01-100-4029
NSN 5835-00-770-2843
NSN 5920-01-321-3168
NSN 5915-01-408-5980
NSN 6110-00-900-0199