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 5925-01-262-2893
NSN 6620-01-428-3930
NSN 5935-01-445-5409
NSN 5990-01-019-6609
NSN 6105-01-506-9130
NSN 6650-01-246-0213
NSN 6650-01-054-9663
NSN 6105-00-896-4059
NSN 5975-01-054-1834
NSN 5855-01-290-3248
NSN 5925-01-184-6485
NSN 5835-01-268-1924