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 5985-01-579-6498
NSN 6685-01-350-0019
NSN 5998-01-360-2110
NSN 5930-00-484-8124
NSN 6240-00-316-3167
NSN 5855-00-198-3197
NSN 5996-00-103-2716
NSN 5996-01-633-7979
NSN 5996-01-373-2445
NSN 7035-00-270-5519
NSN 5945-01-574-2178
NSN 5965-01-161-3405