{"product_id":"vlf-500-00-vesda-very-early-warning-aspirating-smoke-detector","title":"VLF-500-00 | VESDA Very Early Warning Aspirating Smoke Detector","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe VESDA VLF-500-00 is a very early warning aspirating smoke detector designed for small, business-critical environments up to 500 m² (5,380 sq. ft.). It continuously samples air through a pipe network, using laser-based light scattering technology to detect extremely low levels of smoke. This intelligent system ensures rapid detection of incipient fires, providing superior protection for sensitive applications such as data centers, control rooms, and clean environments.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 470.251px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003eVESDA (by Honeywell \/ Xtralis)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003eFire Safety\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003eVLF-500-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003eAspirating Smoke Detector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eDetection Principle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003eLaser-based light scattering (very early warning)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eCoverage Area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003eUp to 500 m² (5,380 sq. ft.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eAir Sampling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003eContinuous, via pipe network\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eAirflow Monitoring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003ePatented Ultrasonic Flow Sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eAlarm Thresholds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003eProgrammable Alert, Action, Fire 1, Fire 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003eSmoke Dial™ visual indicator with status LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eEvent Log Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003e18,000 events\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003e24 VDC nominal (18–30 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003e220 mA nominal, 295 mA in alarm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003e0°C to 38°C (32°F to 100°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eHumidity Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003e5%–95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003ePipe Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003e1 × 50 m (164 ft) max or 2 × 30 m (98 ft) branches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003eRS-232 port (for configuration or monitoring)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003eUpright, inverted, or horizontal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eDimensions (W × H × D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003e7.0 × 10.0 × 3.0 in (178 × 254 × 76 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003e4.4 lbs (2.0 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 34.1848%; height: 19.5938px;\"\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1386%; height: 19.5938px;\"\u003eUL, ULC, FM, LPCB, CE, EN 54-20\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 \u003cmeta charset=\"utf-8\"\u003e VLF-500-00\u003c\/h4\u003e\n\u003cp\u003eThe VLF-500-00 is part of the VESDA LaserFocus (VLF) series by Xtralis, engineered for precision early detection in compact spaces. It operates by drawing air from sampling points into a centralized detection chamber, where smoke particles are measured using laser-based optical sensing. This model incorporates patented Ultrasonic Flow Sensing, immune to air pressure or temperature fluctuations, ensuring stable performance. The detector’s Instant Fault Finder™ and AutoLearn™ functions simplify setup and diagnostics, while its intuitive Smoke Dial™ display allows quick identification of smoke levels or system faults without specialized tools.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLaser-Based Detection: Employs high-sensitivity laser optical sensing to detect minute smoke particles.\u003c\/li\u003e\n\u003cli\u003eUltrasonic Flow Sensing: Provides precise airflow monitoring unaffected by contamination, temperature, or pressure.\u003c\/li\u003e\n\u003cli\u003eAutoLearn™ Algorithms: Automatically sets optimal smoke and flow thresholds based on environmental conditions.\u003c\/li\u003e\n\u003cli\u003eInstant Fault Finder™: Simplifies troubleshooting by pinpointing specific system faults for faster maintenance.\u003c\/li\u003e\n\u003cli\u003eIntuitive Smoke Dial™ Display: Provides real-time visual feedback of smoke levels for easy interpretation.\u003c\/li\u003e\n\u003cli\u003eMultiple Event Logs: Stores up to 18,000 events for detailed operational history and compliance reporting.\u003c\/li\u003e\n\u003cli\u003eProgrammable Alarm Thresholds: Allows custom configuration for Alert, Action, Fire 1, and Fire 2 levels.\u003c\/li\u003e\n\u003cli\u003eCompact Coverage: Protects areas up to 500 m² (5,380 sq. ft.) with flexible pipe network design.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe VLF-500-00 delivers the reliability and precision required for mission-critical smoke detection in confined or high-value environments.\u003c\/p\u003e","brand":"Vesda","offers":[{"title":"Default Title","offer_id":49105092247808,"sku":"VLF-500-00","price":5214.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/71uiKuUhuzL._AC_SL1500.jpg?v=1785540005","url":"https:\/\/alotechparts.com\/products\/vlf-500-00-vesda-very-early-warning-aspirating-smoke-detector","provider":"Alo Tech Solutions","version":"1.0","type":"link"}