demountable tube

demountable tube

[dē′mau̇nt·ə·bəl ′tüb]
(electronics)
High-power radio tube having a metal envelope with porcelain insulation; can be taken apart for inspection and for renewal of electrodes.
References in periodicals archive ?
These tubes are called closed or sealed tubes, and open or demountable tubes. Further information on the various types of x-ray tubes used for inspection, and the effects different tubes have on the inspection capabilities such as on magnification and resolution, can be found within numerous literature.