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 5950-01-021-1568
NSN 7035-01-391-3518
NSN 5945-00-017-0527
NSN 5930-00-809-6543
NSN 2925-00-710-6161
NSN 6110-01-092-5396
NSN 5965-00-529-0602
NSN 4140-01-500-1187
NSN 6650-01-121-5754
NSN 5835-01-388-5198
NSN 6645-00-664-4665
NSN 6105-00-606-4596