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A Kidde plug-in carbon monoxide detector. A carbon monoxide detector or CO detector is a device that detects the presence of the carbon monoxide (CO) gas to prevent carbon monoxide poisoning. In the late 1990s, Underwriters Laboratories changed the definition of a single station CO detector with a sound device to carbon monoxide (CO) alarm.
In general, 30% COHb is considered severe carbon monoxide poisoning. [9] The highest reported non-fatal carboxyhemoglobin level was 73% COHb. [9] Efforts to prevent poisoning include carbon monoxide detectors, proper venting of gas appliances, keeping chimneys clean, and keeping exhaust systems of vehicles in good repair. [1]
[30] [31] Not too long later in March 2018, Kidde recalled their 2 Dual-Sensor Smoke Detector models, PI9010 and the PI2010. [32] The reason for the recall was a yellow cap left on one of the sensors that could fail to alert buyers of the alarm of a possible fire. 452,000 units in the US and about 40,000 units in Canada were affected in the recall.
Before the development of electronic household carbon monoxide detectors in the 1980s and 1990s, carbon monoxide presence was detected with a chemically infused paper that turned brown when exposed to the gas. Since then, many electronic technologies and devices have been developed to detect, monitor, and alert the leak of a wide array of gases.
The carbon monoxide concentration in exhaust gases is closely related, and almost proportional to the air fuel ratio in the rich regions. It is, therefore, of great value when tuning an engine. Carbon dioxide emitted is theoretically directly proportional to the fuel consumed at a given and constant air fuel ratio. Less carbon dioxide will be ...
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