IEVref:395-03-23ID:
Language:enStatus: Standard
Term: electret ionization chamber
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Definition: ionization chamber in which the high-voltage electrode is replaced by an electret with a permanent surface potential

Note 1 to entry: The decrease of this potential is caused by ionization of the filling gas and used to measure the radiation dose.

Note 2 to entry: This entry was numbered 394-25-28 in IEC 60050-394:2007.


Publication date:2014-03
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Internal notes:2015-11-30: Editorial correction: "high voltage electrode" corrected to "high-voltage electrode". JGO
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