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 6105-01-306-0678
NSN 5915-01-358-0346
NSN 5965-00-840-3791
NSN 5925-01-384-6147
NSN 5960-00-497-9862
NSN 6110-00-227-0578
NSN 5985-01-218-5643
NSN 7035-00-631-3782
NSN 6130-01-108-8803
NSN 4140-00-895-9624
NSN 5960-00-758-5064
NSN 5975-01-056-2118