Laser Sensors Dealers in North 24 Parganas

laser sensor switch (often called a laser sensor or laser trip switch) is a device that uses a laser beam to detect objects or interruptions and then triggers an action—like turning something ON/OFF. A laser emitter sends a narrow beam of light. A receiver (sensor) detects that beam. When something blocks or reflects the beam, the system triggers a switch (relay output).Types of Laser Sensor Switches Through-beam (tripwire type) Separate emitter and receiver Triggers when beam is broken Used in security systems, gates Reflective (retro-reflective) Beam reflects off a mirror/reflector back to sensor Used in automation and counting objects Diffuse reflective Detects object directly by reflected laser Common in industrial machines Common Uses Automatic doors & gates Security alarm systems Industrial automation (object detection) Conveyor belt counting DIY electronics projects (Arduino, Raspberry Pi)