SICK VTF18-3F1812 Photoelectric Sensor – High-Precision Background-Blanking Detection

The SICK VTF18-3F1812 photoelectric sensor is engineered to deliver dependable background-blanking performance in compact industrial spaces. Its focused infrared beam and M18 cylindrical housing allow it to detect objects with consistent accuracy from 3 mm to 90 mm, reaching up to 100 mm in ideal conditions. Designed for automated lines that require precise object verification, the sensor reacts quickly with a 2 ms response time and maintains stability even when the surrounding environment changes. Built with a durable plastic housing and rated IP67, it remains reliable in dusty or moist locations while offering easy installation and integration.

The VTF18-3F1812 helps prevent false detections by effectively ignoring background surfaces, making it suitable for tasks where reflective or uneven surroundings previously caused issues. Its concentrated light spot makes it capable of detecting small or low-contrast items with high repeatability. The integrated indicator light provides quick feedback for technicians during setup or troubleshooting, reducing downtime. With low power consumption and a PNP light-switching output, it integrates seamlessly into existing control systems. Its broad operating temperature range supports stable operation in both cold and warm industrial environments, contributing to long-term reliability and minimal maintenance needs.

Why SICK VTF18-3F1812?

The SICK VTF18-3F1812 stands out because it delivers pinpoint object detection even in tight spaces where accuracy cannot be compromised. Its focused optics, fast response, and stable background suppression make it a smart choice for production lines that demand repeatable, uninterrupted sensing. It’s compact, tough, and engineered to keep machines running smoothly without the guesswork.

What Problem Does It Solve?

This sensor eliminates the headaches caused by reflections, unstable backgrounds, and inconsistent detection in compact automation setups. It solves the common issue of false triggers by locking onto the target while ignoring whatever is behind it. When machines need reliable object verification to prevent jams, miscounts, or missed items, the VTF18-3F1812 provides the clarity and consistency needed to keep operations efficient.

Key Features & Specifications – SICK VTF18-3F1812 : Part Number 6012916

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Commercial Information – SICK VTF18-3F1812

The Applications

1. Stable Bottle and Package Detection on Fast Packaging Lines

In high-speed packaging environments, bottles or containers often pass sensors in front of shiny metal conveyors, printed backgrounds, or variable lighting. The VTF18-3F1812 helps avoid false triggers by reacting only to objects that enter its defined sensing zone, ignoring whatever is behind them. Its focused infrared beam allows detection of narrow or curved items without being confused by reflections. This makes it ideal for tasks such as verifying bottle presence before filling, confirming alignment of caps, or checking if cartons are correctly positioned. The fast response time keeps pace with rapid movement, ensuring uninterrupted accuracy throughout the production process.

2. Counting Small Components in Feeding and Sorting Machines

Factories that handle tiny items—like screws, molded plastic parts, or electronic components—often face inconsistencies when parts differ in color or finish. The VTF18-3F1812 provides excellent repeatability by projecting a concentrated optical spot, which allows it to detect even low-contrast items passing within millimeters of its sensing range. Its quick switching capability supports high-speed counting in vibratory feeders or conveyor systems. By reducing missed counts and misreads, the sensor helps ensure that packaging, batching, or assembly stages receive the correct number of parts. This enhances throughput while minimizing the risk of defective or incomplete assemblies.

3. Detecting Components in Assembly Stations with Reflective Machinery

Automated assembly stations often contain polished metal frames, bright machine housings, or other reflective objects that can confuse ordinary diffuse sensors. The VTF18-3F1812 avoids this issue by suppressing detection of the background and responding only to items in the foreground. This makes it particularly useful for confirming whether a component has been inserted, positioned, or removed during a mechanical sequence. Its compact M18 housing fits easily in tight fixtures, and the integrated status indicator helps technicians confirm operation instantly. By ensuring each step detects the correct part, the sensor supports stable workflows and reduces machine stoppages or assembly rework.

4. Verifying Package Presence in Warehouse and Logistics Conveyors

Logistics centers process boxes, trays, or wrapped goods of many materials, some matte and others highly reflective. The VTF18-3F1812 maintains stable detection regardless of surface variations, allowing packages to be tracked reliably as they move through sortation lines. Its ability to ignore cluttered or changing backgrounds ensures packages are not missed when passing in front of racks or structural beams. This helps trigger downstream operations—such as diverting, stacking, or barcode checking—at the correct moment. By providing consistent sensing performance across mixed materials and unpredictable environments, the sensor improves operational reliability in modern warehouse automation.

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