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 5920-01-360-5681
NSN 5975-00-682-6958
NSN 6145-01-097-9717
NSN 5925-00-681-4952
NSN 5935-01-005-0159
NSN 6110-00-466-1674
NSN 5945-01-431-8124
NSN 6150-00-144-7115
NSN 6645-01-305-9135
NSN 4140-01-260-6182
NSN 6240-01-094-6262
NSN 5998-01-647-0669