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 5950-01-504-5190
NSN 6110-00-246-3941
NSN 4140-00-970-8426
NSN 5935-01-323-4283
NSN 5920-01-350-1256
NSN 5915-00-365-9951
NSN 6150-01-654-3008
NSN 5935-01-077-0559
NSN 6650-01-145-5173
NSN 5855-01-502-1607
NSN 5835-01-357-1247
NSN 6685-01-495-5653