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 5930-01-400-6126
NSN 6650-01-039-9340
NSN 5895-01-530-4212
NSN 5998-00-981-6724
NSN 5835-01-645-2892
NSN 5950-00-525-2931
NSN 6220-00-419-6152
NSN 5935-01-039-7090
NSN 5925-00-778-9033
NSN 5999-00-605-4309
NSN 6220-00-892-7755
NSN 5975-01-406-3620