VSP-015 | VESDA VLP Very Early Warning Aspirating Smoke DetectorDescription The VESDA VSP 015 (VLP Detector) by Honeywell is an advanced aspirating smoke detector engineered for very early warning fire detection. It continuously samples air through a network of pipes to detect smoke at the earliest stages of fire development. With an ultra wide sensitivity range of 0. 005%20% obscuration m, it ensures rapid, reliable detection for critical applications requiring maximum protection and minimal false alarms.