{"product_id":"vlf-500-00-ul-vesda-laserfocus-very-early-warning-smoke-detector-500-m2-coverage","title":"VLF-500-00-UL | Vesda LaserFocus Very Early Warning Smoke Detector (500 m² Coverage)","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"144\" data-end=\"396\"\u003eThe Vesda® VLF-500-00-UL is a very early warning smoke detector engineered to protect small, business-critical environments up to 500 m² (5,380 sq. ft.). It continuously samples air through a network of pipes and uses laser-based light scattering technology to detect the smallest smoke particles. Designed for precision and reliability, it provides accurate fire detection with configurable alarm thresholds and advanced airflow monitoring.\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVesda\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlame Safety Products\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVLF-500-00-UL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlame Safety Detector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVESDA LaserFocus (VLF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDetection Principle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLaser-based absolute smoke detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage Area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 500 m² (5,380 sq. ft.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow Sensing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUltrasonic airflow monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm Levels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProgrammable multi-threshold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoLearn Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutoLearn Smoke and AutoLearn Flow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEvent Logging Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 18,000 events\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInstant Recognition Display (LCD interface)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClean air barrier optics protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOnline and offline configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall-mounted, pipe network integration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC (nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0°C to 50°C (32°F to 122°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eData centers, telecom facilities, small critical rooms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.06 × 7.5 × 3.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.4 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About VLF-500-00-UL\u003c\/h4\u003e\n\u003cp\u003eThe VLF-500-00-UL belongs to the VESDA LaserFocus (VLF) series, designed for small, mission-critical areas such as data centers, server rooms, and control enclosures. This aspirating smoke detector features ultrasonic airflow sensing and AutoLearn™ technology to automatically adapt to environmental conditions during setup. Its intuitive display provides clear visual feedback for alarms, faults, and maintenance alerts. With online and offline configuration options and robust event logging, the VLF-500-00-UL ensures dependable operation and simplified field service access for long-term performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLaser-Based Detection: Uses absolute laser technology to detect minute smoke particles for the earliest warning.\u003c\/li\u003e\n\u003cli\u003eUltrasonic Airflow Sensing: Ensures accurate monitoring of airflow through the sampling pipe network.\u003c\/li\u003e\n\u003cli\u003eAutoLearn™ Smoke and Flow: Automatically optimizes detection parameters during system commissioning.\u003c\/li\u003e\n\u003cli\u003eProgrammable Alarm Thresholds: Provides flexible sensitivity settings for different application environments.\u003c\/li\u003e\n\u003cli\u003eClean Air Barrier: Protects optical surfaces to maintain detection accuracy and reduce maintenance.\u003c\/li\u003e\n\u003cli\u003eComprehensive Event Logging: Stores up to 18,000 individual events across multiple logs for system diagnostics.\u003c\/li\u003e\n\u003cli\u003eUser-Friendly Interface: Instant Recognition Display and Instant Fault Finder for quick status identification.\u003c\/li\u003e\n\u003cli\u003eField Service Access Door: Allows simple, tool-free access for maintenance and inspection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe VLF-500-00-UL delivers the reliability and precision required for early smoke detection in high-value, small-scale environments where downtime or damage is unacceptable.\u003c\/p\u003e","brand":"Vesda","offers":[{"title":"Default Title","offer_id":49105091723520,"sku":"VLF-500-00-UL","price":3820.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/VLF-500-00-UL.jpg?v=1785539991","url":"https:\/\/alotechparts.com\/products\/vlf-500-00-ul-vesda-laserfocus-very-early-warning-smoke-detector-500-m2-coverage","provider":"Alo Tech Solutions","version":"1.0","type":"link"}