- Functional principle: Photoelectric proximity sensor
- Functional principle detail: Background suppression, TwinEye technology
- Sensing range Sensing range min. 10 mm Sensing range max. 1,000 mm Adjustable switching threshold for background suppression 150 mm … 1,000 mm Reference object Object with 90% remission factor (complies with standard white according to DIN 5033) Minimum distance between set sensing range and background (black 6% / white 90%) 25 mm, at a distance of 500 mm Recommended sensing range for the best performance 200 mm … 500 mm:
- Light source PinPoint LED Type of light Visible red light Shape of light spot Point-shaped Light spot size (distance) Ø 10 mm (550 mm) Maximum dispersion of the around the standardized transmission axis (squint angle) < +/- 1.0° (at Ta = +23 °C):
- Key LED figures Normative reference EN 62471:2008-09 | IEC 62471:2006, modified LED risk group marking Free group Wave length 635 nm Average service life 100,000 h at Ta = +25 °C:
- Adjustment Teach-Turn adjustment BluePilot: For setting the sensing range IO-Link For configuring the sensor parameters and Smart Task functions:
- TwinEye background-suppression technology: Provides reliable detection of shiny, dark, and uneven surfaces, ensuring accurate and consistent performance.
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- Brand: Sick
Sick 1219801 Photoelectric proximity sensor
Mfr # 1219801
$390.28
/ea
Availability: Available to Order|Typically ships within 7 to 10 business days. Lead time may vary based on supplier availability.
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- TwinEye background-suppression technology: Provides reliable detection of shiny, dark, and uneven surfaces, ensuring accurate and consistent performance.
- BluePilot intuitive adjustment with IO-Link connectivity: Allows fast and easy setup using a rotary dial and advanced parameterization via digital communication.
- PinPoint visible red LED light source: Offers a precise, bright aiming point for accurate object detection and alignment.
- Rugged VISTAL® housing with IP66/IP67 protection: Designed for durability in harsh industrial environments, providing long-term operational reliability.
The SICK WTS26P-24161120A91 (Part No. 1219801) is a high-performance photoelectric proximity sensor from the W26 series, designed to deliver reliable and precise object detection in demanding industrial automation applications. With its combination of advanced optical technology, user-friendly configuration, and robust mechanical design, this sensor is ideal for industries such as packaging, robotics, material handling, and automated production systems.
At the heart of this sensor is TwinEye background-suppression technology, which enables highly reliable detection even on challenging surfaces. The system effectively distinguishes between shiny, dark, and uneven objects, reducing false triggers and ensuring consistent operation across variable production conditions. This technology provides significant advantages in high-speed automation environments, where accurate object detection is critical.
The WTS26P-24161120A91 offers intuitive setup via the BluePilot adjustment interface, which allows operators to configure the sensor quickly using a simple rotary dial. For advanced control and monitoring, IO-Link connectivity provides access to detailed diagnostics, parameter adjustments, and smart functions such as logic, timing, and predictive maintenance features. This enables integration into digitalized production systems and supports Industry 4.0 initiatives.
The sensor uses a visible PinPoint red LED light source, which produces a sharply defined light spot for precise aiming and alignment. This simplifies installation and ensures accurate detection of objects, even in tight or complex setups. The LED provides immediate visual feedback to assist operators during calibration and operation.
Mechanically, the WTS26P-24161120A91 is housed in a compact VISTAL® enclosure that offers high mechanical strength while remaining lightweight. With IP66 and IP67 ratings, the sensor is resistant to dust, water jets, and temporary immersion, making it suitable for challenging industrial environments. Its compact dimensions allow for easy integration into machinery and conveyor systems.
Electrically, the sensor operates on 10–30 V DC and features a push-pull output (PNP/NPN) capable of switching up to 100 mA. With a response time of ≤1.4 ms and a switching frequency of up to 350 Hz, it delivers fast, reliable performance for high-speed automation tasks. Built-in protections against short circuits, reverse polarity, and electrical interference ensure long-term reliability and safe operation.
In summary, the SICK WTS26P-24161120A91 is a robust, precise, and intelligent sensor solution that combines TwinEye optical technology, intuitive BluePilot setup, IO-Link connectivity, and durable housing. It is designed to provide reliable, high-speed object detection and seamless integration into modern industrial automation systems, ensuring accuracy, efficiency, and operational uptime.
Product Specifications
| Manufacturer | Sick |
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