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 5999-01-055-7297
NSN 6105-00-012-8278
NSN 6240-01-349-8766
NSN 5999-00-244-1589
NSN 6145-00-869-4306
NSN 5855-01-406-4821
NSN 5905-00-083-1161
NSN 6620-00-736-8457
NSN 5910-00-216-8081
NSN 5996-01-503-8589
NSN 6130-00-639-0666
NSN 6130-01-211-6790