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 4140-01-573-7272
NSN 6150-00-340-3203
NSN 6150-01-549-4799
NSN 5930-00-833-5123
NSN 4140-00-311-6329
NSN 5930-00-418-9304
NSN 5930-01-430-7186
NSN 6645-01-591-3970
NSN 6110-01-317-2372
NSN 6105-00-620-9994
NSN 5950-01-041-3045
NSN 5998-00-187-8962