VLF-250-02 | Vesda LaserFocus Very Early Warning Smoke Detector

Vesda · Fire & Life Safety

Description  The Vesda® VLF-250-02 is a very early warning aspirating smoke detector designed to protect small, business-critical areas up to 250 m² (2,690 sq. ft.). It draws air continuously through a network of sampling pipes and uses laser-based light scattering technology to detect minute smoke particles at the earliest stage of fire development. This compact detector ensures precise monitoring, simplified commissioning, and dependable protection for sensitive environments.     Technical Specifications  Condition New/Never Used Surplus Brand Vesda Category Flame Safety Products Part Number VLF-250-02 Subcategory Flame Safety Detector Series VESDA LaserFocus (VLF) Detection Technology Laser-based absolute smoke detection Coverage Area Up to 250 m² (2,690 sq. ft.) Airflow Sensing Ultrasonic airflow monitoring Alarm Thresholds Programmable multi-level alarms AutoLearn Functions AutoLearn Smoke and AutoLearn Flow Event Logging Up to 18,000 events in multiple logs Display Type Instant Recognition Display with Instant Fault Finder™ Configuration Options Online and offline configuration Installation Type Wall-mounted with pre-engineered pipe network Optical Protection Clean air barrier for optics Power Supply 24 VDC (nominal) Operating Temperature Range 32°F to 122°F (0°C to 50°C) Applications Small critical rooms, control enclosures, data facilities Dimensions 7 × 10 in Weight 4.4 lbs     Information About VLF-250-02 The VLF-250-02 belongs to the VESDA LaserFocus (VLF) series, a range of high-sensitivity smoke detectors designed for small-scale applications such as server rooms, control panels, and communications facilities. Using ultrasonic airflow sensing and absolute laser detection, the detector ensures reliable performance in dynamic airflow environments. Its AutoLearn™ Smoke and AutoLearn™ Flow functions intelligently adjust alarm thresholds during installation for optimal sensitivity. With multiple event logs, online/offline configuration options, and a field service access door, the VLF-250-02 offers easy maintenance and long-term operational stability. Key Features: Laser-Based Detection: High-precision laser chamber detects extremely low levels of smoke for early warning. Ultrasonic Airflow Sensing: Continuously monitors airflow through the sampling pipe network for consistent performance. AutoLearn™ Functions: Automatically calibrates smoke and flow thresholds during commissioning. Programmable Alarm Levels: Customizable alarm thresholds suit varied environmental and risk conditions. Clean Air Barrier: Protects optical surfaces from contamination, ensuring long-term accuracy. Event Logging: Records up to 18,000 events across multiple logs for fault tracing and system analysis. Instant Recognition Display: Intuitive status display with Instant Fault Finder™ for rapid diagnostics. Easy Installation: Pre-engineered pipe network design supports fast setup and commissioning. The VLF-250-02 delivers the reliability and precision required for continuous, high-sensitivity smoke detection in small, mission-critical environments.

Brand: Vesda · Category: Fire & Life Safety

Key features

• Laser-Based Detection: High-precision laser chamber detects extremely low levels of smoke for early warning.
• Ultrasonic Airflow Sensing: Continuously monitors airflow through the sampling pipe network for consistent performance.
• AutoLearn™ Functions: Automatically calibrates smoke and flow thresholds during commissioning.
• Programmable Alarm Levels: Customizable alarm thresholds suit varied environmental and risk conditions.
• Clean Air Barrier: Protects optical surfaces from contamination, ensuring long-term accuracy.
• Event Logging: Records up to 18,000 events across multiple logs for fault tracing and system analysis.
• Instant Recognition Display: Intuitive status display with Instant Fault Finder™ for rapid diagnostics.
• Easy Installation: Pre-engineered pipe network design supports fast setup and commissioning.

Specifications

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