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 5910-01-625-5332
NSN 6135-01-142-6456
NSN 5930-00-853-2748
NSN 4140-00-267-4541
NSN 5945-01-506-7739
NSN 6145-00-471-3975
NSN 6240-01-560-6424
NSN 5915-00-532-3266
NSN 5855-01-520-5873
NSN 4140-01-012-2460
NSN 5945-01-530-4900
NSN 2925-01-462-1620