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 6645-00-948-9763
NSN 6685-00-284-2244
NSN 5950-01-431-8868
NSN 6610-01-168-7943
NSN 5915-00-839-8136
NSN 6220-01-156-9610
NSN 5915-00-859-1864
NSN 5905-01-386-6488
NSN 5975-01-520-8409
NSN 5975-01-065-0312
NSN 6685-01-573-7031
NSN 5920-00-503-0862