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 6320-01-387-3230
NSN 5990-01-390-2177
NSN 5965-00-594-3115
NSN 5930-00-615-1869
NSN 5920-01-155-1128
NSN 5930-01-229-2338
NSN 2925-00-290-7052
NSN 6240-00-353-5753
NSN 5915-00-950-9219
NSN 2925-00-311-0825
NSN 5985-01-484-7867
NSN 6685-00-070-2803