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 5855-01-103-1474
NSN 5975-01-593-5445
NSN 4140-01-453-4360
NSN 5999-01-168-8293
NSN 6320-00-456-0836
NSN 4140-01-255-8664
NSN 5945-01-029-3296
NSN 6150-01-445-8225
NSN 5935-01-560-8898
NSN 5975-01-572-1233
NSN 7035-01-276-0355
NSN 5915-00-992-2872