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 5905-01-625-0173
NSN 6150-01-641-9643
NSN 4140-01-623-6297
NSN 5925-00-386-8532
NSN 6110-00-606-9297
NSN 5960-01-422-3269
NSN 5985-01-269-5594
NSN 6620-01-449-8743
NSN 5925-01-540-7580
NSN 5990-01-455-2919
NSN 5999-00-256-8040
NSN 5835-01-286-6499