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 5950-01-318-4451
NSN 5950-00-101-1600
NSN 6320-01-328-6575
NSN 5835-01-435-4139
NSN 6610-01-299-7171
NSN 6220-01-544-4837
NSN 6110-00-084-5371
NSN 4140-00-953-2004
NSN 6145-00-170-4044
NSN 5915-00-072-5317
NSN 6110-01-577-7414
NSN 6220-01-466-1559