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 6105-00-608-0749
NSN 6145-00-067-7436
NSN 2925-01-271-8727
NSN 5930-01-204-3843
NSN 5930-01-588-7270
NSN 5855-01-141-8227
NSN 5996-01-611-2924
NSN 5996-01-429-0143
NSN 5935-01-044-5741
NSN 5935-00-758-7894
NSN 5925-01-527-8352
NSN 6130-01-085-6095