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 5930-01-593-9370
NSN 6145-01-623-2790
NSN 5930-01-042-2928
NSN 2925-01-543-0073
NSN 5996-01-362-4234
NSN 6150-00-306-0157
NSN 5930-01-364-1464
NSN 6105-01-577-5287
NSN 6110-01-171-9752
NSN 5835-01-199-3554
NSN 2925-00-233-5644
NSN 6620-01-557-1941