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 5915-01-212-9590
NSN 6110-01-210-7068
NSN 7035-00-205-8739
NSN 4140-01-378-9202
NSN 2925-01-336-1392
NSN 2925-01-649-7543
NSN 5945-01-047-6687
NSN 5960-01-524-8642
NSN 5905-01-268-3478
NSN 5999-01-117-7326
NSN 6135-01-184-0727
NSN 6145-00-069-2837