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 5835-00-124-9020
NSN 6150-01-429-8315
NSN 5935-01-133-6642
NSN 5999-00-919-5488
NSN 5905-00-720-0535
NSN 6645-00-876-4413
NSN 5985-01-487-2484
NSN 5935-01-348-0071
NSN 5998-01-534-2810
NSN 6645-00-664-4665
NSN 6240-01-561-9263
NSN 6650-00-073-5154