Functional principle: Photoelectric retro-reflective sensor
Functional principle detail: With minimum distance to reflector (dual lens system)
Dimensions (W x H x D): 27 mm x 92 mm x 70 mm
Housing design (light emission): Rectangular
Sensing range max.: 0.03 m … 22 m 1)
Sensing range: 0.03 m … 15 m 1)
Ultra-long sensing range with visible red LED: Detects objects from 0.03 m up to 22 m, with a light spot size of Ø 250 mm at 15 m, utilizing a dual-lens system for precise detection.

Ultra-long sensing range with visible red LED: Detects objects from 0.03 m up to 22 m, with a light spot size of Ø 250 mm at 15 m, utilizing a dual-lens system for precise detection.
Flexible switching modes with relay output: Supports both light and dark switching modes, featuring change-over contacts with relay outputs that can handle up to 4 A at 250 V AC, ensuring compatibility with various control systems.
Adjustable time delay functions: Equipped with configurable off-delay and on-delay timers, adjustable between 0.5 s and 10 s, allowing for tailored response times to suit specific application needs.
Rugged and weather-resistant housing: Constructed from durable ABS plastic with an IP67 rating, ensuring protection against dust and water ingress, making it suitable for harsh industrial environments.

The Sick WL34-R240 is engineered to meet the demands of modern industrial automation, offering a blend of precision, flexibility, and durability. Its photoelectric retro-reflective sensing principle, enhanced by a dual-lens system, ensures accurate detection over a wide range, from a minimum of 0.03 m to a maximum of 22 m. This makes it ideal for applications such as conveyor systems, packaging lines, and material handling, where reliable object detection is critical.

The sensor’s visible red LED light source, operating at a wavelength of 660 nm, provides clear indication and alignment capabilities. The Ø 250 mm light spot at 15 m facilitates easy setup and ensures consistent performance across the specified range. The potentiometer adjustment allows for fine-tuning of sensitivity, accommodating varying reflective surfaces and environmental conditions.

With its versatile relay output, the WL34-R240 can be configured for light or dark switching modes, offering flexibility in integration with different control systems. The change-over contacts are electrically isolated, capable of handling up to 4 A at 250 V AC, ensuring compatibility with a wide range of industrial equipment.

The sensor’s adjustable time delay functions—off-delay and on-delay—provide additional customization, enabling users to set response times between 0.5 s and 10 s. This feature is particularly useful in applications where timing coordination is essential, such as in sequential processes or systems requiring synchronization.

Designed for robustness, the WL34-R240 features a rugged ABS plastic housing with an IP67 enclosure rating, offering protection against dust and water ingress. This makes it suitable for use in challenging environments, including those with exposure to moisture or particulate matter.

Operating within a wide temperature range of –40 °C to +60 °C, the WL34-R240 maintains reliable performance in diverse conditions. Its compact dimensions of 27 mm x 92 mm x 70 mm and terminal connection with an M16 gland facilitate easy installation and integration into existing systems.

In summary, the Sick WL34-R240 photoelectric sensor combines advanced sensing technology with flexible configuration options and a durable design, making it a reliable choice for a variety of industrial applications requiring precise object detection and control.