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 5905-00-365-6181
NSN 5990-01-285-4633
NSN 6220-00-548-0008
NSN 6110-01-103-8284
NSN 6110-01-047-1330
NSN 5998-01-352-6564
NSN 5920-01-020-7659
NSN 5920-01-003-6072
NSN 5960-00-465-4088
NSN 5920-01-444-5029
NSN 5835-01-469-6009
NSN 5945-01-096-6464