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 6220-01-281-3454
NSN 5990-01-239-5878
NSN 6150-01-536-9953
NSN 7035-00-541-8516
NSN 5920-01-025-2725
NSN 5996-01-096-4115
NSN 5915-01-212-2988
NSN 5996-00-508-0383
NSN 2925-01-254-3068
NSN 5998-01-630-3034
NSN 7035-00-483-6617
NSN 5975-00-134-1305