VLC-50500-MRN VESDA LaserCOMPACT Marine Aspirating Smoke DetectorThe VESDA VLC Marine by Xtralis is a tested and certified aspirating smoke detector for use in marine environments. The VESDA VLC Marine aspirating smoke detector is available in two versions, one that interfaces via relays only (RO) and one that interfaces via relays and VESDAnet (VN). Absolute smoke detection (coverage of 800m2 or 8,000 sq. ft.) Wide sensitivity range (0. 005 20% obscuration m and 0. 0015 6% obscuration ft) Single pipe inlet Five