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 5999-01-025-9717
NSN 6130-00-147-6739
NSN 5945-01-388-1175
NSN 5960-00-188-8648
NSN 5996-01-056-1736
NSN 5935-00-455-9483
NSN 5935-01-476-3031
NSN 5990-01-013-8464
NSN 5960-01-142-1995
NSN 2925-01-116-6838
NSN 5999-01-544-1349
NSN 5998-01-177-9340