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 6130-01-400-6123
NSN 7035-01-548-3126
NSN 6110-00-925-0480
NSN 5985-01-094-7654
NSN 5965-01-557-1964
NSN 5910-00-502-7031
NSN 5935-01-478-4818
NSN 6105-01-014-0830
NSN 6685-00-283-2282
NSN 5975-00-150-6400
NSN 7035-01-652-0559
NSN 6220-01-371-3430