Photoelectric Proximity Sensor, Background Suppression

A photoelectric proximity sensor is a device that detects the presence or absence of an object without physical contact. It works by emitting light and measuring the amount of light reflected back. When an object enters the sensor's range, it reflects some of the light back to the sensor, triggering a signal.

Background suppression is a feature often included in photoelectric proximity sensors that helps to eliminate false readings caused by ambient light or other background sources. This is achieved by using a specific type of light source and detector combination that allows the sensor to distinguish between the reflected light from the target object and the background light.

• How it works: The sensor emits light, and if an object enters its range, some of the light is reflected back. This reflected light is detected by the sensor, triggering a signal.
• Background suppression: Helps eliminate false readings caused by ambient light or other background sources.