Détecteur de fumée VESTA-336

VESTA Multifunctional Smoke and Heat Detector. Dual-spectrum optical sensor to minimize false alarms from cooking smoke and steam. Polyurethane foam detection capability for fast-burning or smoldering fires. Patented technology with high tolerance to dust accumulation and a maintenance pre-alarm, even in dusty environments. Fixed-point thermal detection at 54-65°C (accuracy of ±1°C). Integrated 85 dB siren at 3 m. Operating temperature: -10°C ~ 45°C. Operating humidity: up to 85% non-condensing. Monthly self-calibration of the detection threshold. Self-diagnostic function. High-voltage surge immunity. Integrated PIR for motion detection and scene creation (e.g., lights on). 868 MHz radio frequency. Dimensions: 106 mm × 106 mm × 45 mm. Certifications: EN14604 and UL 217 8th edition.