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 5985-00-703-0999
NSN 5990-00-421-5135
NSN 5998-00-166-0758
NSN 5999-01-448-3039
NSN 6105-00-250-1780
NSN 6645-01-227-2036
NSN 5915-00-551-1789
NSN 6110-00-812-0226
NSN 6645-01-514-0236
NSN 6130-01-552-2385
NSN 6150-01-325-2507
NSN 6320-01-312-3620