Precision Measurement for Industrial Applications
The Industrial Laser Distance Sensor 4-20mA is a high-performance measurement solution tailored for industrial environments. With its robust design, multiple output interfaces, and exceptional measurement accuracy, it is ideal for integration into a variety of industrial systems.

Principales caractéristiques et avantages
- Plage de mesure: 0.03 meters to 60 meters
- Précision de la mesure: Precision in millimeters for accurate data collection
- Industrial-Grade Design: Durable and robust, suitable for harsh environments
- Multiple Interface Support:
- UART
- RS232
- RS485
- 4-20mA Analog Current Output
- Convivialité pour les développeurs:
Compatible with Arduino, Raspberry Pi, and other development tools, empowering customized project development - Plug-and-Play: Optimized industrial protocols and interface configuration for quick and easy deployment
4-20mA Analog Current Output
The sensor features a 4-20mA analog current output, enabling seamless integration with industrial control systems such as PLCs (Programmable Logic Controllers) and DCSs (Distributed Control Systems). This output format is widely used for long-distance signal transmission due to its excellent noise immunity and compatibility with standard industrial equipment.
- Linear Output: The 4-20mA current represents the measured distance, ensuring precise control in real-time applications.
- Enhanced Flexibility: Ideal for scenarios requiring analog signals, such as process control, material level monitoring, and machine positioning.
Wiring Method
The sensor supports straightforward wiring to simplify installation and ensure reliable connections.
- Alimentation électrique: Connect the positive and negative terminals for DC power.
- Signal Outputs:
- 4-20mA: Connect the output terminals to the analog input of the control system.
- Serial Interfaces: Use UART/RS232/RS485 ports for digital communication.
- Grounding: Ensure proper grounding to enhance signal stability.
Spécifications techniques
Nom du produit | LDK-P4 Capteur de distance laser industriel 4-20mA |
Niveau de protection | IP64 |
Résolution | ±2mm |
Plage de mesure | 0.03-60m |
Mesurer le temps | ≥0.1-4s |
Classe laser | Classe II |
Type de laser | 635nm, <1mW, Laser rouge visible |
Taille | 75,00*47,00*21,05mm |
Interface de données | TTL/RS232/RS485/4-20mA |
Poids | 71±1g |
Tension | DC6~336V |
Vitesse de transmission | 115200bps(Cpeut être personnalisé) |
UART/RS232 and RS485 Interfaces
The sensor provides both UART/RS232 and RS485 communication interfaces, catering to diverse industrial applications:
- UART/RS232:
- Designed for point-to-point communication.
- Commonly used in short-distance connections, ideal for device-to-PC or device-to-microcontroller communication.
- Easy setup with widely available adapters and software tools.
- RS485:
- Supports multi-point communication over long distances (up to 1200 meters).
- Utilizes differential signaling to improve noise resistance and ensure stable data transmission in industrial environments.
- Ideal for complex networks involving multiple devices.
Applications
- Smart Manufacturing: Distance monitoring for automation equipment, component size measurement
- Logistique et entreposage: Cargo positioning and dynamic distance monitoring
- Construction Engineering: Distance surveying, equipment installation calibration
- Industrial Inspection: Height measurement, material surface profile analysis

Why Choose the LDK-P4 Industrial Laser Distance Sensor 4-20ma?
- High Accuracy and Stability: Advanced laser distance measurement technology ensures precise and reliable results.
- Durable et fiable: Industrial-grade design with IP54/IP67 protection, capable of withstanding dusty and humid conditions.
- Versatile Integration: Seamless compatibility for embedded development or system integration.
- Cost-Effective: A high-value industrial solution that helps reduce overall project costs.
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Let the Industrial Laser Distance Sensor 4-20mA provide efficient and precise measurement solutions for your industrial applications!