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 5945-00-630-9824
NSN 5945-00-842-2025
NSN 6610-01-495-8898
NSN 2925-01-424-9341
NSN 5996-00-201-8861
NSN 6150-01-253-9148
NSN 5935-00-731-9675
NSN 6645-01-492-2808
NSN 5920-01-520-7576
NSN 5895-01-226-5478
NSN 6130-00-781-4245
NSN 5920-01-013-8594