Name: Sick 1018251 Photoelectric proximity sensor - Enicstra
Price: 704.98 USD
Availability: InStock

Functional principle: Photoelectric proximity sensor
Functional principle detail: Background suppression
Sensing range max.: 30 mm … 200 mm 1)
Light source: Laser 2)
Type of light: Visible red light
Light spot size (distance): Ø 0.2 mm (80 mm)
Compact background‑suppression sensor with red laser: Photographic‑proximity sensor using visible red laser for reliable detection in tight industrial spaces. Sensing range spans 30 mm to 200 mm, making it effective for close-range object discrimination.

Compact background‑suppression sensor with red laser: Photographic‑proximity sensor using visible red laser for reliable detection in tight industrial spaces. Sensing range spans 30 mm to 200 mm, making it effective for close-range object discrimination.
Ultra‑sharp laser spot with precise focus: Emits a visible red laser beam with a tiny spot diameter of Ø 0.2 mm at 80 mm, offering exceptional angular resolution and targeting accuracy for detecting small or fast-moving objects.
Dual‑mode PNP/NPN switching with adjustable output: Offers both PNP and NPN switching configurations, selectable in light‑switching or dark‑switching modes, and tuned flexibly via a built‑in potentiometer.
Robust industrial design with integral mounting hardware: Housed in a rugged rectangular casing, rated IP 67, supplied with clamps (BEF‑KH‑W12 and screws) pre‑mounted for fast installation and durable operation.

The SICK WT12L‑2B540 (part no. 1018251) is a high‑precision photoelectric sensor tailored for demanding industrial detection tasks, particularly where accurate sensing of small, fast-moving objects is critical. Equipped with background suppression, it differentiates target objects from backgrounds effectively within a sensing range of 30 mm to 200 mm, making it ideal for compact applications on production lines or automation systems.

At its core lies a visible red laser emitter, operating at approximately 650 nm, recognized for reliable visibility and sharpness. The laser projects an ultra-fine beam—just 0.2 mm in diameter at the 80 mm focus point—delivering pinpoint detection capability, essential for tasks requiring high accuracy, such as label detection, small component sorting, or wafer positioning.

The sensor supports both PNP and NPN output configurations, with light‑ and dark‑switching modes to accommodate varied logic standards and application requirements. The inclusion of an easy-to-access potentiometer adjustment simplifies tuning of the switching threshold—critical during setup or maintenance.

Constructed within a durable rectangular housing rated for harsh environments (IP 67 ingress protection), the sensor withstands dust and moisture, ensuring continuous operation in industrial settings. Plus, it includes clamping hardware (BEF‑KH‑W12 with screws), making mounting quick and hassle-free—setup can be done in minutes on factory lines or machines.

Applications well-suited to the WT12L‑2B540 include small object detection, fast-moving part alignment, package indexing, or inspection tasks requiring both precision and adaptability. The combination of adjustable thresholds, dual output types, and fine laser optics provides a flexible sensory tool for systems moving toward miniaturization and speed.

To sum up, the SICK WT12L‑2B540 (1018251) delivers precise, reliable performance in compact form—with sharp laser focus, flexible outputs, and rugged design—offering a robust solution for modern industrial sensing challenges.

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