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 5996-01-145-4900
NSN 6320-01-125-3361
NSN 5990-01-007-3806
NSN 6220-01-117-2918
NSN 5895-01-411-4931
NSN 5950-01-020-7717
NSN 5945-00-083-4086
NSN 6145-01-553-4422
NSN 5945-01-340-7309
NSN 6650-01-389-9212
NSN 6320-00-937-5625
NSN 5996-01-564-4660