Can smoke alarm be placed on the table for alarm effect?
Smoke detector will set threshold, smoke concentration does not reach the threshold, will not alarm.
Not effective alarm function.In the early days of the fire, smoke travels up and down under the ceiling, so the smoke is high below the ceiling.
And when the detector on the table alarm, the entire room should be full of smoke, even if the detector alarm is too late, can not play a real effective alarm role.
