VESDA Laser Industrial Aspirating Smoke Detector (VLI)

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The VESDA VLI is an industry first early warning aspirating smoke detection (ASD) system, designed to protect industrial applications and harsh environments of up to 2000 m2 (21,520 sq. ft.). The VLI detector combines a fail-safe Intelligent Filter (patent pending) with an advanced clean-air barrier for optics protection allowing the use of absolute detection and a long detection chamber life without the need for re-calibration.
The VESDA VLI is the ideal solution for such areas as:

  • Mines
  • Manufacturing and processing plants
  • Conveyors
  • Petrochemical plants
  • Tunnels
  • Grain silos
  • Power generation facilities
  • Timber, pulp and paper plants
  • Warehouses
  • Water treatment plants
  • Transportation hubs
  • Fertilizer plants
  • Abattoirs
  • Laundries
  • Cold stores
  • Equipment and machinery
  • Textile plants
  • Elevator shafts
  • Equestrian centers
  • Livestock/animal facilities

Additional information


Suitable for Class 1 Division 2 applications – Groups A,B,C & D


Up to 2000 m2 (21,520 sq. ft.) coverage

Inlet pipes

Up to 4 inlet pipes and Total pipe length up to 360 m (1181 ft)

Status LED

Five (5) high intensity status LEDs for greater visibility

Smoke detection

Robust absolute smoke detection


Intelligent Filter (patent pending) and Secondary Filter

Lint Trap

Lint Trap to capture fibrous particulates

Sampling Probe

Sub-sampling Probe (inertial separator)

Air barrier

Clean air barrier for optics protection


AutoLearn™ Smoke and Flow

Air Zero

Clean Air Zero™


Air-path monitoring


Five (5) relays (Fire, Fault and 3 configurable)

Relays configurable

Relays configurable as latching or non-latching


Expandable GPI and relays

Flow sensing

Ultrasonic flow sensing

Software support

Xtralis VSC, Xtralis VSM4 and ASPIRE software support


IP66 Enclosure


Easy mounting with steel support bracket

External housing

Rubberized finish to external housing

Pipe ports

Imperial and metric pipe ports

Cable termination

Easy cable termination access

USB configuration

Local USB configuration port

Modular field

Modular field replaceable parts for ease of servicing



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