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 5910-01-463-2429
NSN 5985-01-590-1415
NSN 5950-00-123-5184
NSN 6105-01-642-1199
NSN 5935-01-359-8586
NSN 7035-00-108-4421
NSN 5996-01-223-3506
NSN 6150-00-717-1596
NSN 5998-01-549-6228
NSN 5960-01-641-5493
NSN 6135-01-329-7994
NSN 6610-01-415-1623