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 2925-00-632-8153
NSN 5930-01-442-5807
NSN 5935-01-064-8876
NSN 5895-01-620-1392
NSN 5855-00-149-0766
NSN 5925-01-604-4008
NSN 6320-01-086-2602
NSN 5855-01-318-7663
NSN 5990-01-384-9747
NSN 5915-01-043-7821
NSN 6610-01-534-6377
NSN 6105-01-350-9691