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 5915-01-438-2215
NSN 5985-01-403-2835
NSN 5990-00-359-9839
NSN 4140-00-170-5152
NSN 6220-01-497-1277
NSN 6240-00-299-9819
NSN 5925-00-078-9566
NSN 5920-00-403-7518
NSN 7035-00-834-2090
NSN 5915-01-153-2623
NSN 5920-01-461-2423
NSN 5920-01-401-5315