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 5935-01-518-1579
NSN 5895-01-632-9475
NSN 5920-01-332-1033
NSN 5960-00-266-6741
NSN 5935-00-323-1082
NSN 5996-01-547-2045
NSN 6145-00-845-3300
NSN 5975-00-404-1079
NSN 5930-01-468-6478
NSN 6620-00-392-3522
NSN 5960-01-641-5493
NSN 5915-00-957-9743