carbon monoxide & smoke combination alarms
system sensor d4s photoelectric sensor
photoelectric sensor smoke detector depth in . 2 1 2 height in . 5 length in . 7 3 4 ambient temp . limits f 4 to 158 air velocity fpm 100 to 4000 humidity range percent rh 0 to 95 standards ul fm includes duct smoke detector sensor for use with mfr . no . d4p120 rts2 dst sampling tubes br b features b ul li air velocity fpm 100 to 4000 li li ambient temp . limits f 4 to 158 li li depth in . 2 1 2 li li for use with mfr . no . d4p120 rts2 dst sampling tubes li li height in . 5 li li humidity range % rh 0 to 95 li li includes duct smoke detector sensor li li item photoelectric sensor li li length in . 7 3 4 li li package quantity 1 li li type smoke detector li li number required 1 li li standards ul fm li ul