Posted March 27th, 2023 by SimpliSafe
Glass break sensors are an effective tool in a security system for detecting break-ins through a shattered glass window. However, they can be problematic due to false alarms caused by high-pitched noises outside, and some types of glass windows not shattering in a way that can be reliably detected by the sensors.
While glass break sensors can be useful in deterring looters after a window break-in, they should not be relied upon as the primary protection in a security alarm system. They are best used as supplementary protection in conjunction with a well-designed security system.
Glass break sensors use audio recognition technology to detect the sound of breaking glass and trigger a security alarm. They are typically installed within 25 feet from windows in a clear line of sight, and it is recommended to install multiple glass break sensors to ensure adequate coverage.
Sound-detecting sensors rely on two small microphones located near the window or areas where glass is likely to be broken. Small piezo speakers are usually incorporated into the alarm and will allow the alarm user to hear if the microphone picks up suspicious noises such as windows shattering. Using sound comparison algorithms, the device compares any incoming sound transmissions with that of known audio patterns created by breaking windows and then alerts users if it detects something out of the ordinary.
Vibration detection sensors also have small microphones that can detect vibrations caused by the shaking or pressing of windows, which can be indicative of someone breaking in. To provide more refined results, these sensors employ state-of-the-art acceleration meters which measure movement instead of relying on generic modes and patterns found in basic sounds detection devices. The data collected by these acceleration meters is processed by sophisticated algorithms, allowing for highly accurate readings regardless of environmental noise level interference.
A glass break sensor can provide an extra layer of security for your home or business since it detects even small “tells” like a baby bumping against a window pane or someone tapping/pressing gently on one from outside with intent to break in. This makes it ideal for use in environments where noise levels fluctuate frequently, which often makes audible alarms ineffective under certain conditions. Knowing how a glass break sensor works will help you better protect your property from theft and vandalism and give you peace of mind knowing that you've taken an extra precaution to securing your premises.
There are several security benefits of glass break sensors, including:
Early detection: Glass break sensors can detect intruders before they have a chance to enter your home or business, providing early warning of potential threats.
Comprehensive coverage: Glass break sensors can be placed throughout a home or business to provide comprehensive coverage, detecting potential intrusions from any window that is broken.
Increased deterrent: The presence of glass break sensors can act as a deterrent to potential intruders, as they may be less likely to attempt to break into a property with a comprehensive security system.
Minimal false alarms: Modern glass break sensors are designed to be highly accurate, with minimal false alarms triggered by other loud noises or vibrations.
Integration with other security systems: Glass break sensors can be integrated with other security systems, such as motion detectors and door/window sensors, to provide a more comprehensive security system.
Overall, glass break sensors can provide an effective layer of security for homes and businesses, helping to detect and deter potential intruders before they cause damage or harm.
When considering whether to add glass break sensors to a security system, it is important to take into account factors such as the ambient noise in the surroundings, the type of glass being used, and the presence of noise-dampening materials. It is also recommended to install more sensors than the minimum specified to ensure reliable protection.
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Q: Where should I install glass break sensors in my home or business?
A: Glass break sensors should be installed in any area with windows that could potentially be broken, such as living rooms, bedrooms, or offices. They should be placed in a location where they can detect the sound or shock of breaking glass, but not too close to sources of noise like televisions or speakers.
Q: How effective are glass break sensors at detecting intruders?
A: Glass break sensors can be very effective at detecting intruders, particularly if they are set up in the right locations and configured correctly. However, they are not foolproof and can sometimes be triggered by other loud noises or vibrations.
Q: Can glass break sensors be used in conjunction with other types of security sensors?
A: Yes, glass break sensors can be used in conjunction with other types of security sensors, such as motion detectors or entry sensors, to provide a more comprehensive security set-up.
Q: Can glass break sensors be used with a smart home system?
A: Yes, many glass break sensors are designed to work with smart home systems, allowing you to monitor and control your security system from a smartphone or other device.