smoke alarm detector


  • Image 29 of 61

Image Description

Inside an ionising smoke alarm. The sealed detector cell contains a radioactive source, emissions from which are 'mopped up' by any smoke particles entering the chamber, the fall in detected emissions triggers the alarm

Keywords
radioactive domestic radiation warning ionising led detection safety warning early warning protection metal electronics
Resolution:
3500 x 2329
File size:
1157 kB
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