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 voltage14 to 28 VDC
Quiescent current85?A at 24 VDC
Size inc base100mm 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 humidity0 to 98% (non condensing)
IP ratingIP23D (indoor use)
Weight75 grams (135g inc base)