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 5915-01-028-4466
NSN 5920-01-300-6055
NSN 6240-01-442-3501
NSN 5996-01-416-0950
NSN 5996-00-467-4196
NSN 5930-01-654-6987
NSN 5945-00-867-0052
NSN 5945-01-255-0083
NSN 6645-01-452-6760
NSN 5920-01-599-2656
NSN 6620-01-535-1230
NSN 6105-00-102-4738