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 5950-01-055-1071
NSN 6650-01-416-9869
NSN 5910-00-119-9305
NSN 5960-01-061-6216
NSN 5999-01-435-2214
NSN 5895-00-286-3788
NSN 5935-01-434-5785
NSN 6145-01-317-4426
NSN 6105-00-938-6032
NSN 5915-00-905-6860
NSN 5910-01-012-3047
NSN 5920-01-328-3915