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 5895-01-605-2008
NSN 6610-01-524-0636
NSN 4140-01-467-9616
NSN 6685-01-186-7990
NSN 5950-01-220-1996
NSN 6105-00-007-5599
NSN 6685-01-426-8929
NSN 6240-00-304-7015
NSN 5985-01-499-2005
NSN 5985-00-228-0244
NSN 6150-01-067-7759
NSN 5996-01-302-1664