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 5990-01-643-4167
NSN 6110-00-295-0508
NSN 6240-01-548-9846
NSN 5910-00-936-1950
NSN 5990-00-924-8024
NSN 5920-01-344-9803
NSN 2925-01-633-4048
NSN 2925-01-197-7864
NSN 5915-00-249-1393
NSN 5960-01-292-0027
NSN 5998-01-020-4177
NSN 5905-00-160-3842