- Functional principle: Photoelectric proximity sensor
- Functional principle detail: Background suppression
- Sensing range Sensing range min. 30 mm Sensing range max. 2,000 mm Adjustable switching threshold for background suppression 180 mm … 2,000 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%) 85 mm, at a distance of 800 mm Recommended sensing range for the best performance 200 mm … 800 mm:
- Light source LED Type of light Infrared light Shape of light spot Point-shaped Light spot size (distance) Ø 14 mm (1,000 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 850 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:
- High-precision background-suppression technology: Detects objects accurately on shiny, dark, and textured surfaces with consistent performance across diverse industrial conditions.
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- Brand: Sick
Sick 1221726 Photoelectric proximity sensor
Mfr # 1221726
$345.42
/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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- High-precision background-suppression technology: Detects objects accurately on shiny, dark, and textured surfaces with consistent performance across diverse industrial conditions.
- BluePilot intuitive adjustment with IO-Link connectivity: Provides rapid setup via a rotary dial and enables advanced configuration, diagnostics, and monitoring through digital communication.
- PinPoint visible red LED light source: Offers a sharply defined, bright spot for precise alignment and reliable object detection.
- Durable VISTAL® housing with IP66/IP67 protection: Compact and robust design ensures long-term operation in harsh industrial environments, resisting dust, water, and mechanical stress.
The SICK WTB26I-24162120A00 (Part No. 1221726) is a high-performance photoelectric sensor designed to deliver fast, precise, and reliable object detection in industrial automation environments. As part of the WTB26I series, this sensor combines advanced optical technology, intuitive setup, and rugged construction, making it ideal for packaging, material handling, robotics, and automated manufacturing processes.
At the core of the sensor is its high-precision background-suppression technology, which ensures stable detection even on challenging surfaces. The sensor can reliably sense shiny metallic parts, dark components, or textured materials without false triggers, ensuring consistent and repeatable performance. This makes it especially suitable for high-speed production lines where detection accuracy is critical for maintaining efficiency and quality.
The BluePilot intuitive adjustment interface allows for quick and straightforward configuration via a simple rotary dial. For advanced system integration, IO-Link connectivity enables remote parameterization, detailed diagnostics, and access to smart functions such as timing, logic operations, and predictive maintenance. This digital interface allows seamless integration into Industry 4.0 production systems and supports real-time monitoring for improved operational reliability.
Detection is further enhanced by a PinPoint visible red LED light source, which produces a sharply focused spot for precise sensor alignment. This feature simplifies installation, reduces setup time, and ensures accurate detection even in compact or complex machinery setups. The LED also provides immediate visual feedback during both calibration and operation.
Mechanically, the WTB26I-24162120A00 is housed in a robust VISTAL® enclosure, which combines strength and lightweight design. Its IP66 and IP67 ratings provide protection against dust, water jets, and temporary immersion, ensuring reliable operation in demanding industrial environments. The sensor’s compact dimensions allow easy integration into machinery, conveyor systems, and robotic applications.
Electrically, the sensor operates on 10–30 V DC and features a push-pull output (PNP/NPN) capable of switching currents up to 100 mA. With a response time of ≤1.4 ms and a switching frequency up to 350 Hz, it delivers high-speed, dependable performance for demanding automation tasks. Built-in protections against short circuits, reverse polarity, and electrical interference further enhance operational reliability and safety.
In summary, the SICK WTB26I-24162120A00 is a versatile, precise, and robust sensor solution. Its background-suppression technology, BluePilot adjustment, IO-Link connectivity, PinPoint LED, and rugged VISTAL® housing make it ideal for industrial applications requiring speed, accuracy, and consistent, long-term performance.
Product Specifications
| Manufacturer | Sick |
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