SICK ZLD18-4PZ4A8 Photoelectric Sensor – Compact and Precise Retro-Reflective Detection
The SICK ZLD18-4PZ4A8 Photoelectric Sensor, part of the Z18 Simple Sense series, is a durable retro-reflective sensor designed for dependable object detection in demanding automation environments. It uses a visible red LED dual-lens system to deliver stable sensing performance over distances up to 5 meters, even when detecting shiny or irregular surfaces. Its IP67-rated ABS housing ensures long-term protection against dust and moisture, making it a reliable choice for industrial use in conveyor systems, packaging machinery, and automated inspection setups.
Engineered for high-speed and accurate performance, the SICK ZLD18-4PZ4A8 responds in under 0.5 milliseconds, enabling smooth operation in fast-moving processes. The built-in polarization filter minimizes interference from reflective materials, while the PNP light-switching output simplifies system integration. Weighing just 4.54 grams, its lightweight yet rugged build supports easy installation using standard M18 mounting. This sensor enhances process reliability, reduces maintenance effort, and ensures consistent detection accuracy across a wide range of industrial automation and quality control applications.
Why SICK ZLD18-4PZ4A8?
Choose the SICK ZLD18-4PZ4A8 for its perfect blend of speed, precision, and durability. This compact sensor brings advanced optical performance to tight industrial spaces, ensuring fast detection without sacrificing reliability. Its rugged IP67 housing, dual-lens design, and plug-and-play M12 connector make it a trusted choice for seamless automation and long-term operational stability.
What Problem Does It Solve?
The SICK ZLD18-4PZ4A8 eliminates the frustration of inconsistent object detection caused by glare, dust, or uneven surfaces. Its polarization filter and high-response circuitry ensure stable performance, even in reflective or dusty conditions. This sensor keeps your automation line running smoothly—reducing false triggers, downtime, and manual recalibration for greater efficiency and productivity.
Key Features & Specifications – SICK ZLD18-4PZ4A8: Article Number 1099295
| Feature | Details | Benefit |
|---|---|---|
| Sensing Principle | Photoelectric retro-reflective with dual-lens system | Provides stable detection of reflective or irregular objects. |
| Sensing Range | 0 to 5 meters (typical 4.2 m with PL80A reflector) | Wide sensing distance suitable for flexible installation options. |
| Light Source | Visible red LED (625 nm wavelength) | Easy to align and monitor during setup for consistent operation. |
| Switching Output | PNP, Light switching | Simplifies integration with standard control systems. |
| Response Time | ≤ 0.5 ms | Enables fast detection for high-speed production lines. |
| Switching Frequency | Up to 1 kHz | Ensures reliable performance in dynamic motion or conveyor systems. |
| Electrical Connection | M12 male connector, 4-pin | Plug-and-play installation with standard industrial cabling. |
| Supply Voltage | 10–30 V DC | Compatible with a wide range of power systems. |
| Current Consumption | ≤ 15 mA | Energy-efficient design suitable for multi-sensor setups. |
| Housing Design | M18 cylindrical hybrid, ABS housing | Compact and durable for space-saving installations. |
| Protection Rating | IP67 | Resistant to dust, water, and harsh industrial environments. |
| Optical Material | PMMA lens | Delivers long-lasting clarity and precision sensing. |
| Operating Temperature | –40 °C to +55 °C | Performs reliably in extreme environments. |
| Weight | 4.54 g | Lightweight for effortless mounting and reduced strain on machinery. |
| Circuit Protection | Reverse polarity, short-circuit, and overload protected | Prevents damage from wiring errors or electrical surges. |
| Certifications | CE, UKCA, UL, China RoHS | Meets international standards for safety and quality assurance. |
Download SICK ZLD18-4PZ4A8 1099295 Datasheet
Commercial Information – SICK ZLD18-4PZ4A8: Article Number 1099295
| Commercial Data | Details |
|---|---|
| EAN Number | 4047084465833 |
| Weight | 12.5 g |
| Country of Origin | United States |
The Applications of the SICK ZLD18-4PZ4A8 Photoelectric Sensor
1. Reliable Detection on Reflective Packaging Lines
In packaging systems that handle glossy or metallic films, ordinary sensors often fail due to unwanted glare or reflections. The ZLD18-4PZ4A8 solves this by using a dual-lens retro-reflective system with a polarization filter, ensuring accurate detection of shiny or transparent packages. Installed along conveyor belts, it helps identify the exact position of each item before sealing or labeling, preventing missed products and improving overall line efficiency.
2. Precision in Robotic Palletizing Operations
In automated palletizing or depalletizing systems, accuracy and timing are essential. The ZLD18-4PZ4A8 provides ultra-fast detection (≤0.5 ms), enabling robotic arms to sense box presence and position instantly. Its 5-meter sensing range and compact M18 housing make it suitable for tight robotic setups. The result is smoother motion control, reduced mechanical collisions, and increased productivity in material handling zones.
3. Conveyor Sorting and Logistics Optimization
In busy sorting and logistics centers, detecting various package shapes, sizes, and surface materials can be a challenge. The ZLD18-4PZ4A8 maintains stable operation regardless of ambient light or dust. Installed near conveyor diverters or sorter gates, it ensures parcels are correctly identified for direction changes. This sensor enhances sorting accuracy, reduces manual intervention, and supports continuous, high-speed operation.
4. Industrial Safety and Gate Monitoring
For machine enclosures, access gates, and restricted zones, the ZLD18-4PZ4A8 provides dependable presence monitoring without physical contact. Its retro-reflective detection with IP67 protection withstands harsh factory conditions, including moisture and vibration. When paired with reflective markers, it accurately identifies personnel or moving objects, triggering gates or alarms when needed. This contributes to safer workflows and efficient access management in automated facilities.
Related Products & Accessories – Compatible with SICK ZLD18-4PZ4A8
| Category | Model Name | Part Number | Benefit / Application |
|---|---|---|---|
| Mounting Bracket | BEF-WN-REFX | 2064574 | Provides firm and adjustable mounting, ensuring accurate sensor and reflector alignment. |
| Reflector | P250 | 5304812 | Ensures reliable retro-reflective performance and extended sensing range up to 5 m. |
| Sensor Cable (5 m) | YF2A14-050VB3XLEAX | 2096235 | Enables fast plug-and-play connection and reduces wiring time during setup. |
| Connector Plug | STE-1204-G | 6009932 | Offers quick wiring and stable electrical contact for field or panel connections. |
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