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 6135-01-040-1446
NSN 5996-00-186-8709
NSN 6320-00-149-7570
NSN 5925-01-232-1318
NSN 5990-00-001-4570
NSN 6110-01-275-5914
NSN 5950-01-302-8334
NSN 6610-00-296-5007
NSN 5999-01-658-1006
NSN 5945-01-292-7935
NSN 6645-01-497-6543
NSN 5925-01-476-3879