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 5945-00-529-0409
NSN 6220-01-515-4444
NSN 6110-01-463-8392
NSN 5895-00-548-9329
NSN 6110-01-072-3680
NSN 5915-00-734-4399
NSN 5950-00-222-7749
NSN 4140-01-520-8920
NSN 6130-00-868-9674
NSN 4140-00-763-6527
NSN 4140-01-104-9279
NSN 6105-00-551-3747