The SICK WTV4-3N1322S01 is a compact background-suppression photoelectric proximity sensor equipped with V-optics for precise detection of shiny or uneven surfaces. It features an infrared PinPoint LED light source, a single teach-in button for easy setup, and delivers reliable NPN light-switching output, making it ideal for tight spaces and industrial environments.

The SICK WTB12-3P2431 is a compact background-suppression photoelectric proximity sensor using visible red LED light. It delivers reliable detection across a range from 20 mm to 350 mm. The sensor features a 5-turn potentiometer for precise adjustment, PNP complementary (light/dark-switching) output, fast response, and is built for demanding environments with its robust metal housing and IP66/67/69K protection.

The SICK WLL190T-2N432 is a compact standalone fiber-optic amplifier designed for both through-beam and proximity detection applications. It provides flexible sensing from near zero up to 4 m in through-beam mode or 480 mm in proximity mode. Featuring visible red LED light, a dual 4-digit display showing set and actual values, menu-controlled teach-in via button, programmable time functions, and a rugged IP66-rated housing, this high-performance fiber amplifier is ideal for industrial automation scenarios requiring precise and versatile object detection.

The SICK WTB12-3P2411 is a compact background-suppression photoelectric proximity sensor with infrared light and PNP output, offering a versatile sensing range from 20 mm to 600 mm. Equipped with a 5-turn potentiometer for adjustment, fast switching performance, and housed in a rugged metal enclosure rated to IP66/IP67/IP69K, it is designed for reliable detection in demanding industrial applications.

The SICK WL4S-3P3132 is a compact retro-reflective photoelectric sensor featuring autocollimation optics so it can detect objects without the need for a reflector. It uses a visible red PinPoint LED light source and includes a single teach-in button for easy setup. The sensor offers fast, light-only switching (PNP), operates over a wide supply range, and delivers high-speed response—all within a rugged, IP67-protected plastic housing suitable for industrial environments.

The SICK WL27-3P2431 is a compact retro-reflective photoelectric sensor equipped with a dual-lens system for detecting objects at very short distances—even without a reflector. It emits a visible red LED beam and delivers precise, high-speed detection in a robust ABS housing rated IP69K. The sensor supports PNP light/dark switching output, features a multi-turn potentiometer for fine sensitivity adjustment, and includes comprehensive electrical protection, making it well suited for demanding industrial environments.

The SICK WL23-2P2430 is a compact retro-reflective photoelectric sensor featuring a dual-lens system and visible red LED illumination. It offers reliable detection across ranges from 0.1 m to 10 m (typically 0.3 m to 7 m with a PL80A reflector) and delivers complementary PNP light/dark switching output. Housed in a robust ABS enclosure with IP67 protection, it includes built-in circuit protections and connects via a 4-pin M12 male connector, making it ideal for industrial automation tasks requiring flexible, dependable object sensing.

The SICK WL12-3N2431 is a compact retro-reflective photoelectric sensor featuring autocollimation (no reflector required), visible red LED illumination, and precision optics for reliable detection up to five meters. It offers fast, complementary NPN light/dark switching output in a rugged metal housing with M12 connector and includes full electrical protection and washdown-grade IP66/IP67/IP69K sealing, making it well suited for demanding industrial environments.

The SICK WLL11G-2B2531P04 is a compact retro-reflective photoelectric sensor featuring autocollimation optics, enabling object detection without a reflector from zero to four meters. It emits a visible red light via an LED, ensures high-precision sensing with a small light spot, and supports both PNP and NPN outputs with selectable light/dark switching. The device incorporates an 11-turn potentiometer for fine adjustment, rugged ABS housing rated IP66/IP67/IP69K, and robust electrical protection, making it ideal for detecting transparent objects in industrial environments

The SICK WL9-3P2432 is a compact retro-reflective photoelectric sensor utilizing autocollimation optics and a visible red PinPoint LED. It reliably detects objects at very short distances, offers a single teach-in button for easy setup, uses a PNP complementary light/dark switching output, in a durable VISTAL® housing with M12 4-pin connector.