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 5985-01-009-2872
NSN 5925-00-190-0095
NSN 6110-01-121-4587
NSN 5996-01-581-3519
NSN 5960-01-355-2968
NSN 6105-01-387-1120
NSN 6220-00-831-3777
NSN 5930-01-274-5994
NSN 5950-01-593-2579
NSN 6220-00-858-4831
NSN 6110-00-162-5519
NSN 5945-01-251-0471