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 5855-00-444-2298
NSN 5910-00-704-6882
NSN 2925-01-466-0892
NSN 5950-01-422-5457
NSN 6220-00-366-1670
NSN 5930-00-233-6370
NSN 5998-01-258-3504
NSN 5925-00-395-3566
NSN 4140-00-608-0969
NSN 4140-01-390-4104
NSN 6220-01-091-2470
NSN 6645-00-179-8676