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 4140-01-227-1342
NSN 5855-01-564-2044
NSN 4140-00-861-5399
NSN 6685-00-353-7893
NSN 6220-01-004-1643
NSN 6105-01-557-4372
NSN 6105-00-559-2220
NSN 6220-01-585-4698
NSN 6650-00-555-1061
NSN 5915-01-500-5164
NSN 5855-01-501-5683
NSN 5925-00-778-9033