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 7035-00-163-6221
NSN 5975-00-324-2070
NSN 6650-01-143-1116
NSN 4140-01-501-0111
NSN 6620-00-620-3089
NSN 6110-01-068-3982
NSN 5990-00-613-2279
NSN 4140-00-339-1514
NSN 6685-01-386-3110
NSN 2925-01-399-2765
NSN 5965-00-104-3121
NSN 6240-01-072-9652