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 6685-01-202-6592
NSN 6650-01-373-8067
NSN 5930-01-338-9140
NSN 5999-00-070-1621
NSN 6650-01-197-4585
NSN 6240-00-500-4404
NSN 6110-01-284-0318
NSN 5945-00-141-0160
NSN 5895-01-514-2667
NSN 6610-01-042-8621
NSN 6130-01-393-7352
NSN 5985-01-024-9640