TYY YDS-S01 Photo Electric Smoke Detector

Built based on the photoelectric technology, TYY YDS-S01 is best for detecting slowly burning fire that effectively pinpoints a fire situation before it turns into a larger emergency.

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Identify general zones of fire threat and experience world-class fire protection with TYY’s conventional fire alarm system. From manual call point to control panel, each TYY device offers efficient fire detection and alarm solution across defined areas best suited for smaller properties and businesses.


  • Complete with filter to prevent dusts, insects, and other materials from triggering false alarm.
  • Highly sensitive.
  • The light beam angled at 360° with no blind spots.
  • A green light indicator for proper standby mode.
  • Easily maintained and reusable.
  • Neutral line circuit.

Additional information

Weight 0.5 kg


Operating Concentration 15%, less than 30 seconds
Operating Current DC24V 25mA
Standby Current DC24V / 35µA
Weight ±100 g
Size 100.95 x 45.84 (H) mm
Operating environment Temp.:0°C to +50°C
Relative Humidity 0 to 95%


Effective monitoring area

Height from ground 2 types
< 4 m 150 square meters
> 4 m < 20 m 75 square meters