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 5920-01-649-9481
NSN 5975-01-382-5787
NSN 6320-00-284-1524
NSN 5950-01-595-5647
NSN 6240-01-234-1594
NSN 6220-00-274-8541
NSN 5920-00-199-9514
NSN 4140-00-163-6200
NSN 5835-00-198-4936
NSN 6150-00-556-1452
NSN 6320-01-544-0860
NSN 6650-00-107-8509