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 6135-01-501-5376
NSN 5998-00-967-7021
NSN 5915-01-633-9845
NSN 6105-01-599-9665
NSN 5835-00-005-2311
NSN 5930-01-556-5074
NSN 5985-01-442-6347
NSN 2925-01-649-7543
NSN 5996-00-229-7037
NSN 5925-01-148-2301
NSN 5920-01-146-4503
NSN 6150-01-136-7056