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 5998-00-258-2081
NSN 6610-00-281-9516
NSN 6620-00-753-0745
NSN 5935-01-487-4805
NSN 5910-01-382-8803
NSN 6150-01-089-4055
NSN 5998-00-209-2321
NSN 5855-00-832-9341
NSN 5999-00-286-6231
NSN 5965-01-554-6959
NSN 5855-01-020-7982
NSN 6110-01-175-7735