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 5935-00-119-3201
NSN 5950-01-221-6343
NSN 5910-00-233-5790
NSN 5996-01-144-1561
NSN 5975-00-452-9315
NSN 5990-01-333-8678
NSN 5945-00-913-9395
NSN 6130-01-605-1588
NSN 5998-00-862-5172
NSN 5999-01-364-1949
NSN 5996-01-651-9447
NSN 7035-00-020-2227