These units sense smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet per minute (0.5 ? 20.32 m/s), temperatures of -4?F ? 158?F (-20?C ?70?C), and a humidity range of 0 ? 93 percent (non-condensing).Main FeaturesPhotoelectric, integrated low-flow technologyAir velocity rating from 100 ft/min - 4,000 ft/min (0.5 m/s - 20.32 m/s)Versatile mounting options: square or rectangular configurationBroad ranges for operating temperature (-4?F - 158?F, -20?C - 70?C) and humidity (0% - 93% non-condensing)Sampling tube installs from front or back of the detector with no tools required
