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 5975-01-541-4461
NSN 6105-01-592-7595
NSN 5920-00-561-1309
NSN 5910-01-488-9342
NSN 6130-00-089-1461
NSN 6220-00-088-0580
NSN 5950-01-524-5823
NSN 5999-01-181-2259
NSN 6610-00-176-5486
NSN 5999-00-011-8321
NSN 6220-01-377-5645
NSN 5920-00-569-6435