Security sensors and systems are used for access control, burglary, smoke or heat detection, and video monitoring or surveillance.
Fire Alarm Control Panels (211 suppliers)
Fire alarm control panels (FACP) are systems which receive information from input devices (smoke detectors, heat detectors, etc.), process the information, and trigger an output device such as an audio or visual alarm.
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Fire Sprinkler Heads (92 suppliers)
Fire sprinkler heads deliver a high-pressure flow of water or dry chemicals to a fire. They are usually are heat-activated and part of a larger fire prevention and safety system.
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Flame Detectors (172 suppliers)
Heat Detectors (100 suppliers)
Heat detectors are fire detection devices that sense heat produced by combustion. Heat detectors can trigger an alarm when they detect rapid temperature rise or reach a preset temperature.
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Photoelectric Sensors (424 suppliers)
Smoke Detectors (265 suppliers)
Ultrasonic Proximity Sensors (169 suppliers)
Ultrasonic proximity sensors use reflected or transmitted ultrasonic waves to detect the presence or absence of a target component.
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Video Cameras (1,644 suppliers)
Video cameras record live-action scenes that are available for viewing via a stored or transmitted video feed. This allows the user to create a permanent and detailed chronicle of events. Video cameras record dozens of pictures (or frames) a second that when viewed in succession, clearly distinguish the translation of an object or person over time.
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