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 5998-00-383-6191
NSN 5990-01-097-4721
NSN 5905-01-233-1262
NSN 6620-00-796-5666
NSN 5960-01-077-4551
NSN 5999-00-930-3877
NSN 6685-00-099-9025
NSN 5996-00-912-1078
NSN 6685-01-013-8915
NSN 6110-01-579-1519
NSN 5855-01-619-8314
NSN 4140-01-437-9668