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 6130-01-231-3702
NSN 6135-00-078-9931
NSN 5945-01-451-9463
NSN 5895-00-109-6168
NSN 5930-00-006-7292
NSN 5915-01-459-1090
NSN 5910-00-800-7116
NSN 5999-00-899-6579
NSN 4140-01-452-2980
NSN 6135-01-128-5358
NSN 5915-00-141-0410
NSN 5910-00-134-9705