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 6105-00-397-7688
NSN 5990-00-845-1227
NSN 5999-01-359-2087
NSN 5920-01-515-1540
NSN 5895-00-269-9257
NSN 6110-00-170-6520
NSN 6220-01-485-0333
NSN 5835-00-936-8753
NSN 6220-01-289-0170
NSN 5950-01-520-7406
NSN 6220-01-352-5425
NSN 5910-01-484-6078