Product Overview
The Orbis I.S. Optical Smoke Detector works using the light scatter principle, and is ideal for applications where slow burning or smouldering fires are likely.
* Reduces false alarms.
* Recommended for early warning of fire in most areas.
* Improved sensitivity to black smoke.
* Compensation for slow changes in sensitivity.
* Algorithms for reliability of alarm.
Approvals: EN54-7
Product Specification
| Operating voltage | 14 to 28 VDC |
| Quiescent current | 85?A at 24 VDC |
| Size inc base | 100mm D x 50mm H |
| Operating temperature | -40°C to +70°C (no icing) Class T5: - 40°C to +40°C Class T4: - 40°C to +60°C |
| Relative humidity | 0 to 98% (non condensing) |
| IP rating | IP23D (indoor use) |
| Weight | 75 grams (135g inc base) |






