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 5985-00-272-7451
NSN 6610-01-462-5980
NSN 6645-01-356-1179
NSN 6320-01-021-6633
NSN 5910-01-517-5912
NSN 6685-01-281-4615
NSN 5999-01-206-9939
NSN 6110-01-574-3865
NSN 5895-01-059-1564
NSN 5950-01-285-5144
NSN 5998-01-294-2108
NSN 6105-00-163-1906