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 5950-01-572-5670
NSN 5985-00-333-8592
NSN 5965-01-084-6921
NSN 6130-01-229-7675
NSN 5855-00-832-9341
NSN 5895-01-152-2895
NSN 6650-01-462-5879
NSN 6645-01-410-8905
NSN 6135-00-231-7257
NSN 5965-01-381-2998
NSN 6150-01-501-8782
NSN 6110-01-476-3137