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 6620-01-641-4122
NSN 5945-00-296-8464
NSN 6650-01-565-4089
NSN 6220-01-059-6553
NSN 5925-01-314-9111
NSN 6150-01-429-4248
NSN 6620-01-304-4747
NSN 5996-01-591-3349
NSN 5925-00-578-4774
NSN 6150-01-517-8322
NSN 6220-01-500-2188
NSN 4140-01-224-0435