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 6150-01-131-7534
NSN 5905-01-521-2968
NSN 6130-00-302-3829
NSN 5950-00-098-5639
NSN 6320-01-288-4783
NSN 5925-01-480-6701
NSN 5910-00-795-2930
NSN 6105-01-350-7927
NSN 6220-01-264-3485
NSN 6240-01-336-8337
NSN 5925-00-864-9405
NSN 5985-01-491-4526