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Wednesday, July 6, 2011

Motion Sensor Alarm: A Great Technique To Find A Motion Sensor For Your Home

By George Cameron


If you have a broken motion activated sensor device such as motion sensor light, sprinkler or alarm and you need a replacement part especially the outdoor motion sensor, then you come to the right place. You will find here some tips on where to avail sensors that you can use in your automation projects that involves motion detection such as automatic door opener.

Outdoor motion sensor devices are easy to find and are readily available in most electrical and hardware store near your area. You can even get them in online auctions like eBay and other online shops like Amazon with free delivery in some cases. You can choose with many different variations in wired and battery-powered type motion sensors.

Unlike the complete unit, outdoor motion sensors only are not commonly available in small electrical shops or hardware stores. So, if you need a sensor replacement for your motion activated device and you don't know where to look for then you will have a problem. Most manufacturers don't supply parts and if the sensor breaks then you have to replace the whole unit.

If you are a professional electrician or you have a good knowledge in electronics and you need outdoor motion sensors for your project, you can have them through hardware store that specializes in automation equipments. These types of sensors are commonly used in industrial manufacturing plants and are usually expensive. They are used to automate the plant and also for quality control, safety and security.

One way to have a cheaper sensor is to purchase the commonly available motion sensor device and just get the sensor part. This method is only advisable for people who have a good knowledge in electronics and automation equipments. You can use these sensors to automate your home to activate an actuator like in automatic door and security systems.

There are many types of sensor, there's one that can detect metal objects only, a photo electric sensor for sensing short distance objects and motion sensor for long range sensing. They are available in companies that sell industrial control equipments like Omron and Siemens. It is important to read the specification of the product first before purchasing. They come with a variety of sizes, range, input and output type, so be sure to check them before placing your order.




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