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 6240-01-207-8056
NSN 6645-01-102-8127
NSN 6320-01-296-3181
NSN 5920-01-235-9522
NSN 5999-00-233-6366
NSN 6620-01-443-8431
NSN 5985-01-587-7167
NSN 5835-01-386-4027
NSN 5999-01-116-1987
NSN 2925-00-912-0580
NSN 5935-01-295-4559
NSN 5895-01-590-9720