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 6320-01-292-6635
NSN 5915-01-207-2443
NSN 5895-01-541-6326
NSN 5985-00-692-1550
NSN 5985-01-654-9307
NSN 6320-00-228-5678
NSN 5925-01-357-7180
NSN 5999-01-388-3541
NSN 5895-00-830-4684
NSN 6240-01-269-8454
NSN 5920-01-570-6384
NSN 6130-00-580-0901