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 5945-01-616-3217
NSN 7035-00-849-5526
NSN 6620-00-006-6418
NSN 5996-00-717-0913
NSN 5975-00-306-4688
NSN 5930-01-088-6920
NSN 5975-00-237-3527
NSN 6105-01-614-8840
NSN 5996-01-397-5428
NSN 5990-01-502-8209
NSN 5975-01-435-2681
NSN 5996-00-264-8929