VLF 500 Aspirating Smoke Detector
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VLF 500 Aspirating Smoke Detector

$3,250.00

Specifications

The VLF-500 is a VESDA aspirating smoke detector using laser-based light-scattering to deliver very early warning across areas up to 500 m², purpose-built for protecting business-critical spaces.

  • Model: VLF-500 Aspirating Smoke Detector
  • Brand: VESDA (Xtralis)
  • Detection Technology: Laser light-scattering in aspirated sample chamber
  • Coverage Area: Up to 500 m² (5,000 sq. ft.)
  • Sampling Method: Active pipe-network air sampling
  • Filtration: Integrated air filtration before sensing chamber
  • Status Indication: Onboard detector display
  • Signaling: Relay outputs and optional interface cards
  • Typical Use: Data rooms, telecom, archives, cleanrooms
  • Sensitivity Class: Very early warning (VEWFD capable in properly engineered systems)
  • Mounting: Wall-mount chassis with pipe-network interface
  • Integration: Compatible with compatible fire alarm panels via relay or interface cards

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VLF 500 Aspirating Smoke Detector
VLF 500 Aspirating Smoke Detector
$3,250.00

VLF 500 Aspirating Smoke Detector

The VLF 500 Aspirating Smoke Detector by VESDA (Xtralis) is a very early warning smoke detection unit engineered for small, business-critical spaces that demand protection well before a conventional detector would react. It actively draws air through a sampling pipe network, filters it, and passes it into a detection chamber where laser-based light-scattering technology identifies microscopic smoke particles giving teams crucial minutes of lead time to intervene before a fire can develop. The VLF-500 variant is sized specifically for areas up to 500 m² (5,000 sq. ft.), making it ideal for small-to-midsize data rooms, control cabinets, archives, telecom closets, and high-value retail back-of-house spaces.

Features

  • Active air sampling through a pipe network for continuous monitoring
  • Laser-based light-scattering detection for very early warning sensitivity
  • Coverage up to 500 m² (5,000 sq. ft.) per unit
  • On-device display for detector status at a glance
  • Onboard relays and optional interface cards for system integration
  • Self-contained aspirating technology no ceiling detectors required
  • Engineered for small, business-critical spaces with high asset value

Benefits

The VLF-500 exists because some environments data center white space, telecom frame rooms, museum archives, server closets lose catastrophic value from even a brief smouldering event that a spot detector would never catch in time. By continuously sampling air and looking for very small particle concentrations, it buys facility teams something conventional detection cannot: response time measured in minutes, not seconds after ignition. The pipe-network design also puts sampling points exactly where airflow, cabinet racks, and high-value equipment are concentrated, rather than relying on ceiling drift. For organizations where downtime or irreplaceable assets drive insurance and continuity decisions, that early warning translates into direct ROI.

Why Choose QuickShipFire?

  • Specialized VESDA stocking for data center, archive, and telecom protection projects
  • Assistance sizing the VLF-500 vs VLF-250 against your actual room square footage
  • Coordination on sampling pipe layouts and fitting ancillaries to avoid delayed commissioning
  • Support for integrators migrating from older legacy aspirating systems to modern VESDA VLF
  • Careful pre-shipment verification given the higher unit value of aspirating systems

FAQs

How is an aspirating detector like the VLF-500 different from a ceiling spot detector?
The VLF-500 actively draws air through a sampling pipe network to a laser detection chamber, enabling it to detect far smaller smoke concentrations much earlier than a passive ceiling-mounted spot detector.
What's the maximum area a single VLF-500 can protect?
A single VLF-500 is rated to protect up to 500 m² (5,000 sq. ft.), depending on pipe-network design and the environment's airflow characteristics.
Can the VLF-500 be integrated with an existing fire alarm panel?
Yes, it provides relay outputs and supports optional interface cards, so it can report alarm and trouble states to most compatible fire alarm control systems.
Does the VLF-500 require regular air filter service?
Yes. Because the detector pulls air continuously through an internal filter, periodic filter inspection and replacement per VESDA's service schedule is part of normal maintenance.
Is the VLF-500 suitable for cleanrooms and ESD-sensitive areas?
Aspirating detection is commonly deployed in cleanrooms and semiconductor fabs because sampling points can be hidden above ceilings or inside return air paths, minimizing visual and airflow disruption.
How does laser light-scattering detect "invisible" smoke?
The laser illuminates the sample chamber; when even microscopic combustion particles pass through, they scatter light toward a sensor, which quantifies particle density far below human visual thresholds.
What makes the VLF-500 worth its price versus conventional detection?
In environments where a few minutes of additional warning can save millions in equipment, data, or business continuity, the VLF-500's very early warning capability directly protects those high-value outcomes.
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