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 5999-01-289-1235
NSN 6150-00-170-4515
NSN 5935-01-130-5367
NSN 6135-01-420-4070
NSN 5920-01-391-5666
NSN 6645-01-448-6002
NSN 6650-01-285-5856
NSN 6620-01-441-7896
NSN 5835-01-449-7511
NSN 6320-00-994-0179
NSN 6145-01-422-8603
NSN 5910-00-495-2504