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 6620-00-589-0071
NSN 5925-00-419-0233
NSN 5855-01-235-5491
NSN 5835-01-215-5961
NSN 5975-00-900-5000
NSN 5999-00-012-0088
NSN 5950-01-126-6533
NSN 6610-01-076-4800
NSN 6645-01-372-1614
NSN 6620-00-130-0815
NSN 6685-01-228-5332
NSN 6620-00-717-2529