Assirija Wiremesh Pvt. Ltd. is a CCTV movement sensor manufacturer in Kolkata. A movement sensor notices motion and raises an alert. Added to a closed-circuit camera, it means the system does not rely on someone watching the screen every minute. The sensor can pick up energy from people or pets, as heat or as movement. A change in light or in position triggers the response.
The main use is to notice an intruder. The same detection also supports other monitoring. Software such as computer vision, including motion detection with OpenCV, can be added when a site needs more than a simple alarm. Systems are supplied from Bara Bazar, 109 Netaji Subhas Road, Kolkata 700001.
These detect movement inside a set area. When something moves, the sensor sends a signal. That signal can sound an alarm, switch on a light, or open or close a door. The method uses radar, through ultrasonic sound waves, and it can cover a wide area.
These are passive infrared (PIR) sensors. They detect the infrared energy people and pets give off as heat. They are a common choice for homes, and they can tell a person’s heat pattern from a pet’s.
These watch the light level. When a person or pet crosses the sensor, the light changes and the control panel reacts. If someone tries to enter a premises fitted with a photo sensor, that change in light raises the alarm.
The movement sensor is part of a camera security system. CCTV is how a site is watched, but a camera only helps if someone sees the picture in time. Danger is not always a break-in that shows up on a live screen.
The detector closes that gap. It flags motion so the camera and the alarm work together, instead of leaving the recording to be checked later.
Phone +91 983 099 4462 or +91 983 099 9224. Email [email protected].
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