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 5835-01-156-5622
NSN 6110-01-073-6117
NSN 5835-01-317-4840
NSN 5895-01-413-5038
NSN 5950-01-195-3597
NSN 6645-01-124-6277
NSN 5996-01-430-9291
NSN 6150-01-485-0359
NSN 6320-01-425-1417
NSN 5895-01-461-6959
NSN 4140-01-334-9043
NSN 6320-00-115-0883