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 6610-01-445-1036
NSN 6220-01-353-0835
NSN 5835-00-833-7080
NSN 6135-01-525-6979
NSN 5975-01-055-4727
NSN 2925-00-953-2920
NSN 5920-01-384-4835
NSN 6130-01-015-7413
NSN 5960-00-191-7448
NSN 6650-01-107-5450
NSN 5945-01-519-0495
NSN 5895-01-066-9001