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 6320-01-296-3181
NSN 6135-01-394-4160
NSN 6685-01-641-4541
NSN 5855-00-149-0766
NSN 6110-00-327-5056
NSN 6145-01-426-6657
NSN 6645-01-609-7365
NSN 7035-01-658-1623
NSN 5910-01-331-7589
NSN 6620-01-068-0046
NSN 6110-01-238-9160
NSN 5999-01-573-7602