The VESDA VLF-500 detector is a very early warning smoke
detector designed to protect small, business-critical environments of less
than 500 m2 (5,380 sq. ft.).
The detector works by continually drawing air into sampling holes in a pipe
network. The air is filtered and passed into a detection chamber where
light scattering technology detects the presence of very small amounts
of smoke. Detector status information is communicated on the detector
display and via relays or optional interface cards.
Out-of-the-Box Operation
The VLF can be installed and commissioned out-of-the-box without the
need for a special interface or software programming tools.
Ultrasonic Flow Sensing
The patented Ultrasonic Flow Sensing used in the VLF provides a direct reading of the sampling pipe flow rate. The
system is immune to air temperature and pressure changes and is unaffected by contamination. The VLF is the first air
sampling smoke detector to use ultrasonic flow sensing.
Features
- Out-of-the-Box Installation and Commissioning
- Ultrasonic Airflow Sensing
- Laser-Based Absolute Smoke Detection
- Pre-engineered pipe network designs
- Programmable Alarm Thresholds
- Clean air barrier optics protection
- Instant Recognition Display
- Instant Fault Finder™
- AutoLearn™ Smoke
- AutoLearn™ Flow
- Field Service Access Door
- Multiple Event Logging in separate logs
- Event log – up to 18000 events
- Offline/online configuration capability
- Up to 500 m2 (5,380 sq. ft.) coverage
Listings / Approvals
- CCC
- FM Class I Div II
- ActiveFire (ISO/AS 7240-20)
- CE
- UKCA
- LPCB
- VdS
- NF
- EN 54-20
-Class A (30 holes / 0.05% obs/m)
-Class B (30 holes / 0.15% obs/m)
-Class C (30 holes / 0.32% obs/m)
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