EST Edwards Vigilant V-PHS Fire Alarm Smoke Detector Head - This sophisticated sensing component provides high-reliability smoke detection for critical life-safety systems. Designed for seamless integration, it ensures rapid response times in commercial and industrial fire alarm environments. - 0.5% to 4.0% sensitivity range - 24V DC operating voltage - 360-degree viewing angle for status LEDs - Compact 4-inch mounting base compatibility - UL listed for fire protection compliance

Compared to legacy analog detectors, the V-PHS series utilizes advanced digital processing to minimize nuisance alarms while maintaining strict adherence to modern safety codes. This unit represents a significant performance upgrade over older EST models, offering more stable environmental monitoring and refined detection algorithms that distinguish between true fire incidents and common airborne contaminants.

High-Precision Detection and Operational Efficiency

Engineered for professional-grade life safety, the V-PHS utilizes a sophisticated optical chamber that excels at identifying both smoldering and flaming combustion sources. The onboard microprocessor constantly recalibrates its threshold based on ambient environmental conditions, ensuring that your facility remains protected even in challenging airflow surroundings. This streamlined detector head is built for high-uptime applications, providing maintenance personnel with clear visual feedback through integrated status indicators and simplified, tool-free installation procedures on compatible Edwards Vigilant bases.