A rectangular long-range photoelectric proximity sensor, as its name suggests, is a type of sensor designed to detect the presence or absence of objects within a certain distance without physical contact, and it's specifically configured in a rectangular shape with long-range capabilities. Here are some key characteristics of such a sensor:

1. Shape: The rectangular shape of the sensor allows for specific beam patterns that may be more suitable for certain applications or mounting configurations. This shape can facilitate coverage over a larger area compared to traditional cylindrical sensors.
2. Long-Range Detection: These sensors are capable of detecting objects over longer distances compared to standard proximity sensors. The exact range can vary depending on the specific model and manufacturer, but it typically extends beyond what is achievable with standard sensors.
3. Proximity Sensing: Like other photoelectric sensors, rectangular long-range sensors use light-based technology to detect the presence of objects without physical contact. They emit a light beam and measure changes in its reflection or transmission to determine the presence or absence of objects within their detection range.
4. Adjustable Sensitivity and Range: Many long-range photoelectric sensors offer adjustable sensitivity and range settings, allowing users to customize the sensor's performance to suit the specific requirements of their application.
5. Various Sensing Modes: These sensors may support different sensing modes such as through-beam, retroreflective, or diffuse-reflective modes, providing flexibility to accommodate different types of applications and environments.
6. Durability and Environmental Resistance: Rectangular long-range photoelectric sensors are typically designed to withstand harsh industrial environments. They may feature rugged construction, sealed housings to protect against dust and moisture ingress, and resistance to vibration and temperature extremes.
7. Applications: These sensors are commonly used in industrial automation applications such as conveyor systems, material handling, packaging, and machine safety, where reliable and accurate detection of objects over long distances is required.

Overall, rectangular long-range photoelectric proximity sensors offer versatile and reliable object detection capabilities over extended distances, making them valuable components in various industrial automation and control systems.