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 5975-01-130-1668
NSN 6135-01-067-8331
NSN 6105-01-501-2226
NSN 5925-01-265-7749
NSN 6620-01-183-8959
NSN 6135-01-504-6929
NSN 6220-00-375-0473
NSN 5960-01-377-1907
NSN 5915-01-311-5416
NSN 6240-01-431-9827
NSN 6150-01-634-0435
NSN 6645-01-633-1852