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 5935-00-709-0621
NSN 5999-01-165-2766
NSN 5925-01-190-9102
NSN 6110-01-647-4589
NSN 5985-01-115-0287
NSN 5950-00-279-4918
NSN 5895-01-058-8677
NSN 6685-01-182-3634
NSN 5925-00-387-3956
NSN 6220-01-072-9997
NSN 5835-01-114-3194
NSN 5950-01-501-6316