Aspiration detector with analysis chamber for early smoke detection. For pipes up to 75 meters long. Maximum coverage area 720m2. Monitored air flow. 4 alarm levels. Alarm sensitivity from 0.006%/m. IP54 housing. Dimensions: 195 x 290 x 140 mm. 24 Vdc power supply, consumption: 75 mA. Memory for 1000 events on board. CPR EN 54-20 certified.