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 5950-00-030-0288
NSN 7035-01-531-0289
NSN 5950-01-283-2680
NSN 5920-01-174-2579
NSN 5945-01-415-5933
NSN 6240-01-502-7280
NSN 5905-00-157-2197
NSN 6650-01-633-9147
NSN 5998-01-280-8844
NSN 5999-01-573-8371
NSN 5935-00-540-6579
NSN 5990-01-493-4039