Rabu, 29 Januari 2014

How does a Carbon monoxide alarm work?

carbon monoxide detector does detect natural gas on We combine shipping on this item. Purchase more than 1 and pay only $4 ...
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raver82


I never heard of a Carbon monoxide alarm before until my sister came home with one yesterday. I was just wondering how it works? if Carbon monoxide is colorless and odorless and whatever else how can you get it in a house what does it come from? I'm clueless about it. I spent most of science class in school asleep.


Answer
Hello raver82:

CO is deadlier than natural gas; because it is odorless/colorless, people don't realize that it is present. It will cause death with as little as 30ppm within 30 minutes. CO is extremely hazardous to infants, the elderly and people with breathing disorders or who have difficulty breathing.

The detectors must be powered at all times in order to work properly. The mechanism is able to capture the CO molecules and if a high concentration (over 15 ppm) are detected, it will sound an alarm.

Symptoms of CO poisoning are grogginess, headache, fatigue, sleepiness, irritation of the nasal passages and lungs, and sometimes vomiting or diarrhea. Some complain of experiencing the same effects of alcohol.

A CO detector is as important as the smoke detector. CO is a result of inefficient combustion of hydrocarbons; the largest source in a home is the family car(or truck). If you have a natural gas appliance (furnace, water heater or stove), it is a wise investment to have the CO detector. After the car, the other main source of CO is the gas stove. If you have a gas stove, it is critical that you have an exhaust hood or vent for the stove that exits outside the home.

If you have a gas and carbon monoxide detector in your house, is the normal readout suppose to stay at zero ?




Hillbilly


After testing and plugging in this unit for my house, the readout seems to stay on zero all the time.
Is this detector working properly ?



Answer
It really depends what the sensitivity of your carbon monoxide detector is.

The natural levels are around 0.1 ppmv

The level of CO in your home could range from between 0.5 to 5.0 ppmv.

Many carbon monoxide detectors will usually sound if a level of over 10 ppmv is detected.

I'd advise you to contact the manufacturer to ask them if it is a normal reading.




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