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 6220-01-251-2435
NSN 5996-00-955-3328
NSN 7035-00-096-9986
NSN 5925-00-840-4149
NSN 5998-00-617-2664
NSN 7035-00-753-0695
NSN 6610-01-346-2802
NSN 6150-00-264-5978
NSN 5950-00-959-4508
NSN 5905-01-532-7434
NSN 6685-00-442-7219
NSN 5935-01-425-5780