flame detector
A device that detects flames, used in fire alarm systems and industrial safety. Synonymous with 火炎検出器.
See also: 火炎検出器
Flame detectors are installed in the factory.
Synonym; 火炎検出器 is also common, but 炎検出器 is slightly more compact.
Compound of 炎 (ほのお, 'flame') + 検出器 (けんしゅつき, 'detector').