SEC-SSD-31
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%)
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Smoke Sensing Device for ASD 535, 0.02% Obs./m (main alrm thresh.)
