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 6610-00-518-4919
NSN 5945-00-542-1281
NSN 6240-01-110-6235
NSN 5999-01-089-2269
NSN 6620-01-506-1003
NSN 6620-01-051-2045
NSN 6240-01-453-6482
NSN 6145-00-625-0714
NSN 6620-00-229-2728
NSN 5905-00-412-4200
NSN 5950-01-546-2526
NSN 6645-00-711-5381