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 6105-01-649-0377
NSN 6110-00-766-0886
NSN 5960-01-071-6267
NSN 5998-00-197-3793
NSN 5985-00-900-7449
NSN 6620-00-526-7581
NSN 5960-00-156-5603
NSN 6135-01-568-9107
NSN 6650-01-312-3467
NSN 5985-01-192-8612
NSN 5920-01-422-4790
NSN 6110-01-611-4942