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 5975-01-007-7075
NSN 5996-01-591-4782
NSN 5835-01-160-7282
NSN 6320-00-925-0558
NSN 5915-01-576-9410
NSN 5975-01-645-3352
NSN 5930-01-025-1872
NSN 6110-01-641-9608
NSN 5996-01-237-3757
NSN 6610-01-062-5178
NSN 6240-00-813-6328
NSN 6150-00-627-2081