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 6110-00-611-7470
NSN 6150-01-153-2315
NSN 6240-01-223-7842
NSN 6105-00-253-9279
NSN 5905-00-161-4707
NSN 6145-00-010-5135
NSN 5915-01-487-3883
NSN 5965-00-879-7287
NSN 5975-01-481-3328
NSN 6220-00-304-7358
NSN 6105-00-598-4910
NSN 5910-01-468-6753