- Functional principle: Photoelectric proximity sensor
- Functional principle detail: Background suppression
- Dimensions (W x H x D): 16.2 mm x 48.5 mm x 31.8 mm
- Housing design (light emission): Hybrid
- Thread diameter (housing): M18
- Mounting system type: M18, head/side (24.1 … 25.4 mm)
- Precise background suppression technology: Reliably detects objects at close range without interference from background surfaces.
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- Brand: Sick
Sick 1078821 Photoelectric proximity sensor
Mfr # 1078821
$131.47
/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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- Precise background suppression technology: Reliably detects objects at close range without interference from background surfaces.
- Visible red light emitter for easy alignment: Simplifies installation and setup with a clear optical spot for accurate positioning.
- Rugged IP67 housing with durable construction: Ensures long-term performance in harsh industrial environments, resistant to dust and moisture.
- Flexible electrical connection with standardized output: Provides reliable integration into existing automation systems with PNP switching output.
The SICK HTB18-P4A2BED02 (Part No. 1078821) is a high-performance photoelectric proximity sensor designed for demanding industrial automation applications. Engineered with a robust and versatile 18 mm cylindrical housing, it combines precision sensing, durability, and ease of integration, making it a preferred choice for engineers and system designers across diverse industries.
One of its standout features is background suppression, which ensures accurate object detection even when the target is placed in front of reflective or varying background surfaces. This capability significantly reduces false triggers and guarantees reliable operation in environments where precision is critical, such as packaging lines, material handling systems, or robotics. The sensor operates using a visible red light source, which provides a clearly defined light spot. This not only facilitates straightforward alignment during installation but also reduces setup time, improving efficiency in fast-paced production facilities.
The HTB18-P4A2BED02 is built to endure challenging working conditions. With an IP67 protection rating, the sensor is safeguarded against dust ingress and water exposure, ensuring long-lasting performance even in harsh industrial settings such as food processing plants, warehouses, or outdoor machinery. Its rugged construction enhances reliability while minimizing downtime caused by environmental factors.
From a connectivity perspective, the sensor supports PNP switching output with a 4-pin M12 connector, making it compatible with a wide range of automation systems. This standardized interface enables seamless integration while maintaining reliable signal transmission. Its flexible mounting options further contribute to ease of use, allowing engineers to adapt it to various machine designs without complexity.
In practical applications, the HTB18-P4A2BED02 offers consistent performance in detecting objects of different shapes, sizes, and colors, ensuring stable operation regardless of environmental changes. This versatility makes it well-suited for use in conveyor systems, production monitoring, assembly automation, and logistics equipment. By combining intelligent optical technology with rugged mechanical design, SICK provides an effective solution that boosts productivity and reduces operational risks.
Overall, the SICK HTB18-P4A2BED02 is more than just a sensor—it is a reliable partner in automation. With its proven accuracy, simple setup, and durable build, it ensures efficiency, consistency, and reliability in a wide range of industrial applications, meeting the modern demands of automated processes with confidence.
Product Specifications
| Manufacturer | Sick |
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