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 5950-00-278-1201
NSN 6240-00-017-4933
NSN 6610-01-468-4745
NSN 5945-00-887-4739
NSN 6135-01-116-3385
NSN 5999-00-343-6770
NSN 5990-01-186-8310
NSN 5950-01-231-9593
NSN 6145-01-399-0467
NSN 6645-01-550-9669
NSN 5905-00-250-9698
NSN 6135-00-891-4944