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 6685-01-273-7874
NSN 5855-01-020-7982
NSN 5915-01-397-0178
NSN 6645-01-307-8203
NSN 6220-01-415-2351
NSN 5950-01-450-5617
NSN 6105-01-495-5231
NSN 5999-01-225-6652
NSN 6610-00-957-3875
NSN 2925-00-251-0105
NSN 6130-01-342-7712
NSN 5855-01-279-9938