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 5999-00-073-0642
NSN 6685-00-216-6676
NSN 5945-01-005-6602
NSN 5999-01-044-8325
NSN 5998-01-583-5066
NSN 6685-01-558-8477
NSN 5975-01-142-1001
NSN 6650-01-265-0650
NSN 6610-01-452-5180
NSN 4140-00-908-2763
NSN 5935-01-310-9717
NSN 5985-00-246-3875