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 5855-01-230-4665
NSN 6135-01-430-3119
NSN 5905-01-205-2044
NSN 6610-01-400-3880
NSN 6110-01-297-3353
NSN 5960-00-900-3508
NSN 5975-01-174-1714
NSN 5935-01-583-6878
NSN 5950-01-211-7680
NSN 5960-00-126-4729
NSN 5920-01-210-2300
NSN 4140-00-099-9205