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 5930-01-236-4659
NSN 6650-01-381-2117
NSN 5985-01-275-7323
NSN 5960-01-605-9921
NSN 2925-01-016-3111
NSN 6105-00-948-7401
NSN 5975-01-296-5835
NSN 6105-01-539-3344
NSN 5999-00-036-6162
NSN 4140-01-514-8203
NSN 5945-01-313-2208
NSN 5925-01-625-8675