Photoelectric Sensors for Industrial Automation | Reliable Detection

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Photoelectric Sensor: Optical-to-Electrical Signal Converter for Object Detection

Photoelectric Sensor: Optical-to-Electrical Signal Converter for Object Detection

The photoelectric sensor uses the photoelectric effect to convert light signals into electrical signals, detecting object presence, position, shape, or color. It consists of a transmitter (emitting light) and a receiver (detecting reflected/scattered light), suitable for non-contact detection in automated production lines, logistics sorting, and security systems. Applications include counting objects, detecting transparent materials, or monitoring conveyor belt positions, enhancing automation efficiency and precision.
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Advantages

Non-Contact Sensing Technology

Detects objects without physical contact, eliminating wear and tear, suitable for fragile or high-speed moving items (e.g., glass, electronic components).

Long Detection Range (0-50m)

Offers adjustable sensing distance from centimeters to tens of meters, adaptable to wide conveyor belts or large-scale equipment.

High Immunity to Ambient Light

Uses modulated infrared light to filter out sunlight and fluorescent light interference, ensuring stable operation in harsh lighting conditions.

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(Same as above, emphasizing photoelectric mechanism) This sensor emits and receives infrared light – achieving non-contact detection. Its through-beam configuration is the most reliable for precise object counting and retroreflective models with polarization filters perform best in dusty and oily environments. It has response times of less than 1 ms, allowing high-speed conveyor applications, and guarantees up-to-date information for process control.

Frequently Asked Questions

How does a photoelectric sensor detect objects without contact?

A photoelectric sensor uses the photoelectric effect, with a transmitter emitting light and a receiver detecting reflected or transmitted light. This non-contact technology eliminates wear and tear, making it suitable for fragile or high-speed moving items like glass or electronic components.
The photoelectric sensor offers an adjustable detection range from 0 to 50 meters, adapting to wide conveyor belts or large-scale equipment. This flexibility allows use in both short-range proximity sensing and long-range object detection scenarios.
The photoelectric sensor offers three primary sensing modes: opposed (through-beam), retroreflective, and diffused (proximity).
The photoelectric sensor uses modulated infrared light to filter out interference from sunlight or fluorescent lighting, ensuring stable detection in harsh lighting conditions. This high immunity to ambient light makes it reliable for outdoor or brightly lit industrial environments.
With an IP67 protection grade, the photoelectric sensor features a fully sealed housing that resists water jets and dust. This makes it suitable for washdown environments in food processing, packaging, and automotive manufacturing, where frequent cleaning or dusty conditions are common.
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Customer Reviews

John Smith
High Precision Photoelectric Sensor with Stable Performance

This photoelectric sensor offers excellent precision, accurately detecting object presence and position in our automated production line. Its stable performance ensures minimal false alarms, even in dusty environments. Easy to install and adjust, it has significantly improved our production efficiency. Highly recommended for industrial automation needs.

Emily Johnson
Reliable Photoelectric Sensor for Diverse Applications

We've used this photoelectric sensor in multiple projects, and it never disappoints. It effectively converts light signals to electrical signals with fast response time. The durable design withstands harsh conditions, making it suitable for various industries. A trustworthy choice for precise detection tasks.

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IP67 Protection Grade

IP67 Protection Grade

Fully sealed housing resists water jets and dust, suitable for washdown environments in food processing, packaging, and automotive manufacturing.
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Yueqing Huilong provides advanced industrial control appliances and relays for global markets. Our ISO-9001 certified products ensure quality and reliability. Contact us today!

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