The VESDA VLC offers cost-effective protection of singleenvironments and small areas. It offers the same wide sensitivity range as theVESDA VLP and VESDA VLS — 0.005 to 20% obs/m (0.0015 to 6% obs/ft). The VESDAVLC supports three configurable alarm levels (Alert, Pre-Alarm and Fire) andcomes in two versions. One version interfaces via relays only (RO) and theother across either relays or VESDAnet (VN). In addition, an explosion-proofversion of the VN VLC is available for the protection of hazardous areas.
Supply Voltage: 18 to 30 VDC
Sensitivity Range: 0.005 to 20% obs/m (0.0015 to 6% obs/ft)
Area Coverage (Maximum): 800 m2 (8,000 sq. ft.)
Maximum Pipe Length: 1 x 80 m (262 ft.)
2 x 50 m (164 ft.)
Total Number of Alarm Thresholds: 3
Relay Outputs: 3
On-board Memory: Up to 12,000
(Max. Events)
Flow Sensor Circuit: 1
(one per pipe inlet)