Siemens Xtralis VESDA VLS-600 Aspirating Smoke Detector is an advanced air-sampling smoke detection system designed to provide very early warning of developing fire conditions in mission-critical environments. It is commonly used in data centers, telecommunications facilities, clean rooms, laboratories, archives, museums, industrial plants, and other locations where conventional smoke detectors may not provide sufficient sensitivity.
The VLS-600 operates by continuously drawing air through a network of sampling pipes using a high-efficiency aspirator. The sampled air passes through a laser-based detection chamber that analyzes microscopic smoke particles long before visible smoke reaches traditional detectors. The system continuously monitors air quality, identifies the sampling pipe where smoke is detected, and reports alarm or fault conditions through programmable outputs and network communications, enabling rapid response while minimizing downtime and equipment damage.
CONDITION: This unit is untested and sold as-is. Cosmetic wear may be present from previous use. Sampling pipes, mounting hardware, filters, display modules, cables, manuals, software, and original packaging are included only if shown in the listing photos.
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Key Specifications
| Specification | Details |
|---|---|
| Manufacturer | Siemens / Xtralis |
| Model | VESDA VLS-600 |
| Product Type | Aspirating Smoke Detector |
| Detection Method | Laser-Based Air Sampling |
| Coverage Area | Up to 20,000 sq ft (2,000 m²) |
| Sampling Network | Up to 650 ft (200 m) Total Pipe Length |
| Supply Voltage | 18–30 VDC |
| Communication | VESDAnet |
| Alarm Levels | 4 Programmable Alarm Levels per Sector |
| Operating Temperature | 14°F to 131°F (-10°C to 55°C) |
| Dimensions | 13.8 × 8.9 × 4.9 in |
| Weight | Approx. 9 lb |









