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 5855-01-579-6147
NSN 6650-00-155-8431
NSN 5950-00-100-1345
NSN 6650-01-231-9545
NSN 6145-01-485-6932
NSN 5985-01-012-0182
NSN 5915-00-042-5613
NSN 5925-00-314-3611
NSN 6650-01-304-1739
NSN 5910-00-936-4822
NSN 5999-00-925-2502
NSN 5998-01-290-5127