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 6135-01-106-7740
NSN 6130-00-518-4305
NSN 5950-01-562-6147
NSN 5835-00-408-5499
NSN 6610-01-269-3070
NSN 5835-00-233-6327
NSN 6110-01-510-2538
NSN 5960-01-005-9530
NSN 6240-01-206-4809
NSN 5975-00-655-0761
NSN 6220-01-351-8217
NSN 6320-00-539-9283