Window Sensors

You must have seen a movie in which a burglar escapes through an open window or climbs up to break in through a window. Well, that doesn’t just happen in movies; according to the Bureau of Justice Statistics (BJS), the most common entry points for crimes involving illegal entry are the windows and doors. You do not have to become a part of BJS statistics, however.  

The good news is that a wide variety of window sensors are available in the market that can help you secure various types of windows in your house. Currently the sensors available are either wired or wireless, each having its pros and cons. Wireless sensors are more popular than their wired counterparts due to the convenience associated with their installation process. Wireless window sensors are designed to be used with the various types that include double-hung, casement, awning windows, fixed and sliding windows.

Types of Window Sensors

According to the FBI, 23% of the burglars break in through first floor windows. Have you secured your windows with an efficient window alarm? If not, you might be in for a surprise and an unpleasant one at that too. Here are a few sensors that you can install to minimize the chance of a burglary through a window:

  • Sliding Window Block – This is designed to protect sliding windows from being forcefully opened and triggers an alarm in the event of an attempted break in. These are typically mounted in the track of the sliding window and are adjustable with the window track width.

  • Glass-break Detector – This is designed to trigger an alarm at the sound of broken glass. It usually covers a larger area.  

  • Magnetic Sensors – These are designed to detect attempts to open a window by disruption of the magnetic linkage between the two components of the sensor. The magnetic link controls a reed switch, which completes a circuit triggering the alarm when the link is broken.

  • Glass-break Shock Sensor – Typically attached directly to the glass part with a duct tape or suction device, this sensor is designed to detect vibrations in the glass when the window is tampered with or struck. The sensitivity of these sensors is adjustable and can be set in accordance with your needs. These sensors are ideal for use on fixed windows.

  • Tilt Sensors – Are designed to trigger an alarm when a window is left open.

When planning to buy window sensors, make sure that you fully understand the variety of sensors available in the market.

How to Install a Window Alarm?

While not every window sensor may be DIY, you may follow the following steps for installation for the ones that are:

  • Carefully evaluate which windows need to be secured and then choose a relevant sensor for each one that is compatible with your alarm system. It is important to note that all windows do not need to be covered by your security system, such as those which are too small for a burglar to sneak through.

  • Thoroughly read the instructions and warnings that come with the sensor; the installation techniques vary across brands and types of sensors.

  • Make sure you use double sided tape or adhesives from reputed companies to mount your sensors. You can mount sensors at the corners if you are concerned about your view being obscured.

  • If you have a wired sensor then you will have to run a wire from the sensor to the control panel along or through a wall. You will have to repeat this step for all of your sensors. However, if you have wireless sensors, the process would be easier.

  • For a wired sensor, you will then have to locate the correct input points in the control panel and plug in the wires. This will be followed by the configuration in the control panel. For wireless sensors, you would only have to carry out the configuration.

  • Next, it is very important to test the new sensors, but if you have subscribed to a monitoring service, make sure you inform them before carrying out the tests. The sensors could be tested by opening all the windows when the alarm system is powered up.

These steps are generalized; it is of extreme importance that you go through the instructions that come with the sensor before starting the installation process.



Q:How to add window sensors to home alarm?

A:In order to add window sensors to your home alarm system, you can contact your security company and pay an additional fee to get the sensors installed. Besides, you may go for the new technology which helps you install the window sensors without having to take help from the security company. You may compare the cost and convenience of both options, before deciding on either of the two options.

Q:Can you add window sensors to an existing home security system?

A:Yes, it's possible to add window sensors to a home security system. However, you may want to check the cost of adding these additional window sensors to your security system. If the cost of adding them to an existing system is too high, you may go for a separate alarm for each window.

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