Previous Product Next Product SEC-SSD-31 Smoke sensor for ASD 531, 0.02 - 10%/m (main alarm threshold) Please login to see your pricing Login SKU: SEC-SSD-31 Category: Sensors Description SSD 31 Alarm Sensitivity range 0,02% – 10% /m The smoke sensor SSD 31 is pre-installed in the ASD 531 and is also available also as replacement part. 3 Pre-signals are set on a fixed percentage of the alarm threshold (30/50/70%) Downloads SEC-SSD-31 Data Sheet.pdf Related products Quick View Quick View SensorsSEC-ASD-535-VERSCHL Read more Fastener plate to cover a smoke sensor chamber (50 pcs.) Quick View Quick View SensorsSEC-SSD-535-3CP Read more SEC-SSD-535-3CP Smoke Sensing Device Coated for ASD 535-HD Quick View Quick View SensorsSEC-SSD-535-3 Read more Smoke Sensing Device for ASD 535, 0.02% Obs./m (main alrm thresh.) Quick View Quick View SensorsSEC-SSD-533 Read more Smoke sensor for ASD 533, 0.02 - 10%/m (main alarm threshold)