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 5920-01-200-9318
NSN 5996-01-269-4143
NSN 5998-00-455-2460
NSN 5965-00-879-7287
NSN 5965-01-254-3622
NSN 4140-01-452-9428
NSN 6320-01-335-8336
NSN 5960-01-089-8155
NSN 5990-01-226-2653
NSN 5920-01-573-7227
NSN 5835-01-623-3328
NSN 5965-00-042-5433