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 5965-00-554-4138
NSN 5975-00-950-6411
NSN 5950-01-627-5740
NSN 6220-01-559-4500
NSN 6645-01-025-1002
NSN 5985-00-674-5361
NSN 5965-01-173-7521
NSN 6610-01-266-3447
NSN 5998-00-633-5169
NSN 6105-01-323-6572
NSN 5930-00-229-3463
NSN 5930-01-364-1664