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 5925-01-182-4747
NSN 6240-01-292-7064
NSN 5998-00-917-2051
NSN 5990-01-548-3711
NSN 6110-01-227-3869
NSN 6110-01-588-8383
NSN 6320-01-067-0474
NSN 6105-01-295-5307
NSN 6130-01-312-8429
NSN 6105-00-281-8185
NSN 5910-01-512-8782
NSN 5945-00-842-8722