KL731 Photoelectric Smoke Detector. These detectors use the Tyndall effect of smoke in the chamber to detect a fire. It can detect a smouldering fire (without flames). The KL731 detectors are normally used in areas where possible fires generate visible smoke e.g. plastics, polystyrene, PVC, etc.
An ultra-fine grid prevents the ingress of dust and insects in smoke detectors. Attractive, low-profile design EN54 approved and CPR Certified, Innovative base option to compensate for uneven surfaces