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 6685-01-136-7775
NSN 5999-01-484-5358
NSN 6105-00-451-1206
NSN 5910-01-586-1918
NSN 5985-00-943-5158
NSN 5935-00-681-7996
NSN 5996-00-615-6083
NSN 5915-01-073-5879
NSN 5925-00-539-2739
NSN 6685-01-227-2942
NSN 6620-01-419-5498
NSN 6320-01-384-3850