The SST Orbis Intrinsically Safe Optical Smoke Detector (ORB-OP-52027-APO) works by using the light scatter principle and is ideal for applications where slow-burning or smouldering fires are likely.
Features
Photoelectric detection principle
Designed to reduce significantly the incidence of false alarms through over-sensitivity to transient phenomena
Improved sensitivity to black smoke
Extra confirmation of smoke before the alarm signal given
Available as standard or with flashing LED.