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 5935-00-888-5615
NSN 6130-01-181-5475
NSN 5835-00-725-2087
NSN 5960-01-533-2115
NSN 6130-01-606-5295
NSN 6130-00-659-1556
NSN 7035-01-203-8010
NSN 6240-01-428-7619
NSN 6320-01-612-7035
NSN 5985-01-246-3725
NSN 5945-01-360-4300
NSN 5996-01-623-8237