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 6220-01-544-4837
NSN 6650-01-157-8806
NSN 5965-01-485-3501
NSN 6105-01-166-2387
NSN 6650-00-500-6455
NSN 6145-01-377-5130
NSN 5998-01-144-5568
NSN 5999-00-922-2388
NSN 5925-00-625-7817
NSN 5935-00-487-4874
NSN 5996-00-670-7805
NSN 6620-01-364-7461