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 5999-00-278-5563
NSN 5905-01-530-6632
NSN 5999-00-770-6838
NSN 6620-00-190-8109
NSN 6220-01-424-6446
NSN 6240-01-437-6888
NSN 5895-01-474-4618
NSN 5945-01-397-7255
NSN 5930-00-022-2756
NSN 6240-00-783-2853
NSN 5999-00-551-0835
NSN 5998-00-592-1563