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 5975-01-581-3224
NSN 5965-01-587-8853
NSN 6620-00-257-2783
NSN 6130-01-541-4605
NSN 4140-00-112-0630
NSN 6320-01-383-3257
NSN 5920-01-322-7553
NSN 5895-01-159-6859
NSN 5999-01-371-8606
NSN 5950-01-449-6356
NSN 5935-01-236-5703
NSN 5990-01-201-4852