2012年2月4日 星期六

How to Choose the Best Natural Gas Detector For Your Home


Do you use natural gas in your home for your appliances or for heating your water? Then you probably already know that you need a natural gas detector. While natural gas is a safe and eco-friendly fuel, leaks can and do happen...and that can lead to explosions, illness, and in extreme cases even death. Here are some factors you should consider before you choose a natural gas detector.

Natural gas is most often composed mainly of methane gas. Methane is highly flammable. If you're like most people, you associate methane with that distinctive rotten egg smell. But did you know that smell is actually added in? Methane has no odor at all, so the smell is put in as a way to signal you of a leak. Of course, if you have a cold or are asleep, that nasty smell may not be enough to alert you to a problem.

A natural gas detector is the best way to make sure that you are protected from leaks, but it's important to choose the right one. Find out how sensitive the detector is to other chemicals, or if it can be triggered by humidity. If so, you will need to take that into account when you install it.

Next, you want to know what the Lower Explosive Limit, or LEL, of the detector is. This refers to the concentration of natural gas required to trigger the alarm. If 100% means an explosion, an LEL of 20% means that the gas only has to accumulate to 20% of its LEL in order to set the alarm off. This gives you plenty of time to take action before things get dangerous.

You want to be certain that you can hear the alarm from anywhere in your house. Many natural gas detectors use a loud noise, so if you have a hearing impairment you may want to choose one that incorporates flashing lights as well. If you have multiple sources of natural gas that are not close together, you may want to get a natural gas detector that comes with more than one sensor. You can place the sensors close to the gas source, and mount the alarm in a central location.

You will need to perform some basic maintenance on your gas detector. If it has batteries, or relies on a battery back-up in case of power outages, find out how often you should test them, and whether there is a test button on the detector to do so. Also ask if the detector has an alert system to let you know if the batteries need replacing.

Also find out how long the sensors are expected to last, and if there is any warning in place that will let you know they are wearing out. If you can, find a unit with replaceable sensors, or else you will have to purchase a new detector when the old sensors no longer work properly. If the detector needs to be calibrated, ask where and how regularly this needs doing, and how much it will cost.




There is a lot to look out for when trying to make your home secure and safe. There are many hidden dangers to be aware of.

There is one thing for certain, the more information you have, the more informed your decision will be when buying a natural gas detector.

Visit http://www.naturalgasdetector.net to help you make the right choice.





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