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 5960-00-839-1529
NSN 5999-00-984-4732
NSN 5975-01-595-0218
NSN 6145-01-562-2054
NSN 5998-00-151-8609
NSN 5965-01-473-4571
NSN 6645-00-467-6094
NSN 6105-01-146-1391
NSN 6130-01-347-6840
NSN 5960-01-101-9029
NSN 6320-00-593-0379
NSN 6320-01-246-4390