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 5998-01-225-0477
NSN 5915-01-432-2491
NSN 5930-01-290-8488
NSN 5855-00-688-9954
NSN 5996-01-406-9287
NSN 6650-01-042-3564
NSN 6130-01-534-2176
NSN 6150-00-964-7303
NSN 5975-01-620-8655
NSN 6240-01-510-4472
NSN 6620-01-527-0664
NSN 5895-01-198-2228