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 5945-01-438-2895
NSN 6685-00-005-7160
NSN 6110-00-305-2838
NSN 5990-01-332-3623
NSN 5930-01-142-2571
NSN 6320-01-111-0960
NSN 4140-01-520-6832
NSN 5975-01-062-7258
NSN 6610-01-457-1974
NSN 6650-00-590-9073
NSN 5998-00-113-9168
NSN 5998-01-386-3123