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 6620-00-542-1579
NSN 6145-01-295-9881
NSN 6610-00-156-5699
NSN 5998-01-536-9453
NSN 5915-01-134-1686
NSN 5935-01-512-8569
NSN 6240-00-275-1950
NSN 5998-01-576-9946
NSN 6320-00-908-6841
NSN 6220-01-488-3927
NSN 5920-01-294-7511
NSN 6145-01-362-0671