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 6150-01-377-4037
NSN 6145-01-495-2671
NSN 5950-01-106-3645
NSN 6150-01-143-0300
NSN 5990-00-506-8315
NSN 5935-01-450-6691
NSN 5935-01-522-1105
NSN 6105-01-365-3404
NSN 5930-01-609-8677
NSN 5999-00-316-3591
NSN 5935-00-859-8955
NSN 5855-00-149-0766