What to Do if the CO Alarm Sounds . If your alarm detects carbon dioxide, it will sound a 4–beep alarm pattern. Press the Test/Silence button. Call your emergency services, Fire Department, or 911. Immediately move to fresh air—outdoors or by an open door or window. Do a head count to check that all people are accounted for. Install the smoke detector between 4 and 36 inches of the peak, where the two halves of the ceiling meet. This also includes walls that reach from the floor to angled ceilings. Installing it too Near or in furnace and water heater closets. Do not place carbon monoxide alarms in gas-fired furnace or water heater closets. This will help reduce nuisance tripping and when some of these appliances startup they will often burp a minor amount of CO that may trip the alarm. Secondly, many manufactures recommend that an alarm be 15 feet, plus A carbon dioxide data logger works by utilizing a gas sensor to measure the concentration of carbon dioxide in the surrounding environment. By using a non-dispersive infrared (NDIR) sensor at the devices core it can measure infrared light in a sample of air. This technology is often the most beneficial in measuring CO2 by detecting the presence Yes. You can replace a smoke detector with a combination smoke/CO unit. All modern First Alert and BRK alarms use the same wire harness and connector. If the alarms in your home are interconnected with 120V AC interconnection, keep in mind that only CO and combination detectors will alarm in the event of a high CO condition. How do CO detectors work? CO detectors measure the concentration of carbon monoxide in the air, triggering an alarm if it's high enough. There are several different kinds of CO sensors, including The co2 detectors are available for purchase. We have researched hundreds of brands and picked the top brands of co2 detectors, including Wintall, QIONGHA, Protmex, Vistreck, Newentor. The seller of top 1 product has received honest feedback from 1 consumers with an average rating of 5.0. 4. Place the lid back on the device, making sure to line up the semi-circle on the lid with the “open” semi-circle on the base. Lock the lid back on by turning it clockwise. 5. Check your Smoke & CO Listener¹ by pressing the test button on your smoke or CO2 detector. If working, you’ll receive a notification* from your Ring app. FOWlpm.