Dahua Conventional Smoke Detector HY-C131

  • Meets all requirements of latest EN54
  • Two-wire, polarity-free realizes convenient wiring
  • Completes EMC test, it has strong anti-electromagnetic interference ability, high stability and reliability
  • Dual photoelectric smoking sensing chamber provides intelligent and accurate detection of smoke
  • BLC algorithm automatically adjusts alarm threshold based on the smoke in the chamber, extending cleaning cycle and providing easier maintenance
  • Non-loosening screws on base terminal for easy installation
  • Contacts material is highly acid-resistant and rust-resistant

Technical Specification

Working Voltage


Rated Power



Standby current: ≤ 350μA

Alarm current: ≤ 350μA

Alarm Mode

Visual alarm

Coverage Area

H ≤ 4 m (13.12 ft): 50 m2

4 m(13.12 ft) ≤ H ≤ 12 m(39.37 ft): 80 m2

Operating Temperature

–10°C to +55°C (+14°F to +131°F)

Operating Humidity

≤ 95% RH (no condensation)

Dimensions (with base)

Φ100 mm × 54 mm (Φ 3.00″ × 2.13″)

Weight (with base)

102 g (0.22 lb)


Ceiling Mount

Compliance Standard

EN 54-7:2018