Radio-frequency induction for checking fire detectors
1976
A new method of testing fire detectors in the glove-box lines has been developed. The method includes heating the fire detector by a strong electromagnetic field which induces eddy currents in the metal case of the fire detector. Developed as a radio-frequency induction heating system, a prototype was designed and built for use with fire detectors installed at the Rocky Flats Plant. The system has been tested and operates satisfactorily. It is concluded that the system could be installed in glove boxes and could easily be automated from a central point. Applications exist for glove-box lines on site or for facilities off site. (auth)
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