An item for the determination of the electrical wavelength or frequency being generated by an electronic equipment such as a radio transmitter. It may be placed in the radiation field of the equipment, thereby operating on the "absorption" principle, or connected into a transmission line or waveguide run between the equipment and a component such as an antenna, thereby operating on the tuned cavity resonance principle. It includes inscriptions from which the wavelength or frequency can be determined directly, or by reference to an associated calibration curve or tabulation. The wavemeter operates in accordance with its design function only when the equipment under measurement is operating. For items, such as grid dip meters, that determine the same information when the equipment under measurement is not operating, see frequency meter.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6130-01-410-9195
NSN 5999-00-973-4483
NSN 5975-01-508-7371
NSN 5935-01-327-8331
NSN 4140-01-453-2493
NSN 5910-01-396-5623
NSN 5930-00-161-9160
NSN 6610-01-244-7192
NSN 5996-00-787-3581
NSN 6645-01-609-7365
NSN 5935-00-299-0716
NSN 5915-00-792-8521