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 5935-01-555-1098
NSN 4140-00-463-6166
NSN 5920-01-400-0791
NSN 6650-01-320-7610
NSN 5910-01-147-6084
NSN 5835-00-491-3834
NSN 5965-01-170-4425
NSN 6220-01-494-0572
NSN 6145-00-317-2087
NSN 6610-01-315-5149
NSN 6240-01-032-9952
NSN 6650-00-140-8776