Repair infrared beam smoke detector of fire alarm system
@vedardalarm3328 Share the experience of repairing fault beam smoke detector.
The beam smoke detector calibration angle deviation may be caused by unstable installation.
We can troubleshoot according to the situation.
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1 month ago 00:03:42 1
Repair infrared beam smoke detector of fire alarm system
2 months ago 00:43:00 1
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