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 5998-00-255-1347
NSN 6135-00-100-8890
NSN 5975-01-227-1519
NSN 5935-01-067-1866
NSN 6135-00-255-1340
NSN 5999-01-140-2389
NSN 5999-01-573-6120
NSN 5905-01-263-4775
NSN 5985-00-828-0615
NSN 5950-00-005-8923
NSN 6150-00-490-7673
NSN 5945-01-233-8484