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 5935-00-975-7322
NSN 6620-01-611-7907
NSN 6645-01-633-1852
NSN 5895-01-063-0103
NSN 7035-01-432-2424
NSN 6610-01-558-7571
NSN 6320-01-384-3850
NSN 5950-01-550-3829
NSN 5996-00-878-6757
NSN 5965-00-532-3284
NSN 2925-00-238-1668
NSN 4140-01-196-6308