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 6685-01-442-7019
NSN 5960-00-422-0578
NSN 5960-00-171-9575
NSN 5965-01-431-8147
NSN 5975-01-521-9128
NSN 6320-01-422-1212
NSN 6145-00-008-1834
NSN 5985-00-453-9951
NSN 5960-01-599-4726
NSN 5835-01-046-9615
NSN 6620-01-156-9724
NSN 6220-00-175-7849