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Nest Protect Smoke and Carbon Monoxide Alarm : Very compelling option for those who don't mind spending a little more in exchange for a wide range of smart features including location specific voice alarm, color-coded emergency notifications and smartphone app control for silencing and routine testing. Other carbon monoxide detectors we've tested Shorter bars indicate faster alarm times. Note: Time needed to sound alarm after exposure to different CO thresholds, mm:ss. As you may understand, we wanted to limit our exposure while making sure our results were repeatable.įirst Alert CO400 10:46 7:03 First Alert Onelink 1042136 11:42 8:10 First Alert CO615 12:12 8:07 Kidde KN-COPP-B-LPM 14:10 8:40 X-Sense SC07 20:05 7:50 Nest Protect 06C 17:50 12:44 Kidde KN-COB-DP2 20:22 10:53 We want to assess how long the carbon monoxide detectors take to react to those conditions. Once the concentration inside our chamber reaches at least 250 ppm or 400 ppm, we stop feeding the gas and start a timer. We start by feeding our gas mixture to the chamber, closely monitoring the carbon monoxide concentration on the Testo. This might all sound excessive, but it's always good laboratory practice to put safety first, especially when you're dealing with such a stealthy and prolific killer. On top of all that, our respirator suits and amply ventilated location ensure that we get a constant stream of fresh air at all times. One near the valve, to ensure there are no leaks, and another that must be worn by the person carrying out the experiment to make sure there is no CO buildup in the test station area. Two additional portable CO detectors are used. Help ensure your home and family is protected with smoke and carbon monoxide detectors.We installed a gas flow regulator on our tank to avoid pressure spikes, followed by a gas line to feed our gas mixture into the chamber. Some battery-operated alarms also feature voice and location technology, while other battery-operated combination alarms can be interconnected so all of the alarms will sound as one in the event of a fire or carbon monoxide emergency. Battery-Operated Combination Alarmsīattery-operated combination smoke and carbon monoxide detectors are easy and convenient to install. For protection during power outages, we offer a back-up battery feature for continuous smoke and carbon monoxide detection. This makes installing the product easy and eliminates the need to rewire the alarm. Most hardwire alarms come with hardwire adapter plugs. Hardwired Combination Alarmsįirst Alert offers several hardwired combination smoke and CO alarm products. In the event of an emergency, the smoke and CO alarm will let you know the type and location of danger in your home to help you escape safely. We also offer a 10-year sealed battery alarm with voice alerts. Our 10-year sealed battery combo alarms eliminate the need for battery replacements and late-night low battery chirps for the life of the alarm. 10-Year Sealed Battery Combination Alarms First Alert offers a variety of combo smoke and carbon monoxide alarms that provide 2-in-1 protection against both smoke and carbon monoxide. Help protect your home and family with combination smoke and carbon monoxide (CO) detectors. Combination Smoke & Carbon Monoxide Alarmsįirst Alert combination smoke and carbon monoxide alarms offer 2-in-1 protection from both types of danger.
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