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 5835-01-020-5650
NSN 4140-01-356-5614
NSN 5925-00-723-6148
NSN 6105-01-415-6014
NSN 6240-01-119-3760
NSN 5915-00-283-8670
NSN 6130-01-060-3238
NSN 6620-01-179-6010
NSN 5990-00-341-3194
NSN 5920-00-960-3567
NSN 5990-00-405-5182
NSN 5895-00-596-8678