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 5895-01-019-6701
NSN 6110-00-891-9917
NSN 6105-01-146-1391
NSN 6320-00-688-9983
NSN 5945-01-613-2162
NSN 6610-01-507-1956
NSN 5960-01-364-1318
NSN 6150-00-387-3045
NSN 5999-00-411-6159
NSN 5999-00-989-8333
NSN 5950-00-337-0829
NSN 6240-01-477-5323