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 6685-01-237-2562
NSN 4140-01-487-4394
NSN 5990-00-099-0822
NSN 5996-00-823-4789
NSN 5895-01-502-8948
NSN 5835-01-302-6844
NSN 6110-01-448-0702
NSN 4140-01-434-8238
NSN 5935-00-724-3379
NSN 6130-00-775-8038
NSN 6685-01-294-7505
NSN 5945-00-826-9772