▶ High reliability of detection thanks to evaluation electronics
▶ Active adjustment of the threshold (drift compensation) if the optical sensor becomes dirty
▶ Activation of a remote external detector alarm display possible
▶ Mechanical removal lock (can be activated/deactivated)
▶ Dust-repellent labyrinth and cap construction
▶ All detectors have an „Chamber Maid Plug“at the bottom for cleaning the optical chamber with compressed air (not required with the Heat Detector FCH-T320.
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