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 6650-00-707-1417
NSN 6150-00-514-0899
NSN 5950-01-047-2964
NSN 6130-01-010-9339
NSN 5835-01-350-0566
NSN 5925-01-535-6590
NSN 4140-01-428-2509
NSN 5990-01-317-9297
NSN 6650-01-146-5000
NSN 5985-01-176-2332
NSN 6220-01-555-0706
NSN 6220-01-057-2389