| 摘要 |
A gas tube lightning protector includes a glass rod about which are disposed a pair of elongated, substantially semi-annular, failsafe electrodes which are also disposed so as to face each other and thereby define therebetween four arcing surfaces comprising two arcing slots or areas. The protector further includes a pair of caps disposed upon the ends of the electrodes and the glass rod, and the entire assembly is encased within a glass sleeve which is sealed to the outer peripheral surfaces of the end caps so as to retain a pressurized inert atmosphere therewithin. Lost gas indicating means in the form of a dessicant electrolyte may also be associated with the electrodes for automatically indicating the leakage or loss of the pressurized gaseous atmosphere.
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