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 5996-01-479-1688
NSN 5999-01-409-2834
NSN 5920-01-228-9510
NSN 6150-01-305-3198
NSN 5915-00-713-9013
NSN 6320-01-317-7312
NSN 6685-00-047-4843
NSN 4140-01-211-6474
NSN 5930-00-801-8202
NSN 5915-01-502-5840
NSN 5915-01-339-2122
NSN 6150-00-574-4271