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 5915-00-645-7600
NSN 6145-01-086-9419
NSN 2925-00-614-1758
NSN 5920-01-487-4195
NSN 5998-00-197-7565
NSN 5996-00-058-8053
NSN 5835-00-759-1109
NSN 5975-00-358-7916
NSN 6110-01-602-9110
NSN 5960-00-661-0477
NSN 5835-00-994-5116
NSN 6685-01-519-2856