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 5998-00-272-7119
NSN 6110-01-338-1621
NSN 6130-01-227-4805
NSN 6220-01-504-9892
NSN 6610-00-104-5704
NSN 5985-00-273-6837
NSN 6110-01-123-5125
NSN 6240-01-474-6914
NSN 6645-00-427-8889
NSN 5990-01-568-5565
NSN 2925-00-816-8765
NSN 6620-00-140-8644