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 5855-00-235-2676
NSN 6220-01-291-7479
NSN 5920-01-038-3775
NSN 6105-00-323-9855
NSN 5935-01-368-1139
NSN 5975-01-317-4625
NSN 5965-00-161-3954
NSN 6685-00-417-3358
NSN 6610-01-537-0816
NSN 5950-01-116-3676
NSN 6685-01-350-3451
NSN 5920-01-316-1710