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 5855-01-501-5683
NSN 5950-01-541-5016
NSN 5998-01-297-9646
NSN 4140-01-526-1066
NSN 6645-01-573-2536
NSN 2925-00-355-5130
NSN 7035-01-127-0147
NSN 6240-01-398-6049
NSN 6650-01-004-1625
NSN 5935-00-955-6800
NSN 6320-00-098-2858
NSN 5975-00-827-7426