Photoelectric Duct Smoke Detector / 2 wire with low flow technology includes 2151A Detector

Photoelectric, integrated low-flow technology
• Air velocity rating from 100 ft/min to 4,000 ft/min (0.5 m/s
to 20.32 m/sec)
• Versatile mounting options in square or rectangular
configuration with modular construction
• Plug-in sensor
• Superb false alarm immunity with the latest sensor
technology
• Broader ranges for operating temperature (-4ºF to 158ºF)
and humidity (0% to 95% non-condensing)
• Patented sampling tube installs from front or back of the
detector with no tools required
• A cover tamper feature to indicate a trouble condition for
removed or improperly installed sensor cover
• Increased wiring space with a newly added ¾ inch
conduit knockout
• Improved LED status
• 24 VDC
• Backward compatibility with existing Innovair products,
including remote accessories