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 6145-01-026-1083
NSN 5965-01-334-3980
NSN 5945-00-909-8548
NSN 5960-01-589-6846
NSN 6240-01-633-9357
NSN 6685-01-153-1846
NSN 5835-00-841-2650
NSN 5975-00-166-5800
NSN 6240-01-279-0552
NSN 6135-01-088-4301
NSN 6240-01-005-3456
NSN 5975-01-219-0890