This 3M high precision infrared laser distance sensor is designed compatible with accurate, stable and fast industrial distance measurement. It integrates a clear digital display, NPN output and RS485 communication interface, making it easy to connect with PLCs, industrial controllers and monitoring systems. Wide Measuring Range & High Accuracy • Measuring range: 1 m to 20 m, suitable compatible with short to medium distance applications. • High precision infrared laser technology ensures stable readings and reliable repeatability. • Fast response speed compatible with real-time distance monitoring and control. Digital Display & Easy Reading • Built-in digital display shows real-time distance values clearly. • Supports on-site visual inspection without external meter or software. • Simple button operation compatible with quick parameter setting and calibration. NPN Output + RS485 Communication •Standard NPN switching output, easy integration with most industrial control systems. •RS485 communication interface supports long-distance data transmission and networking.•Compatible with common industrial protocols (such as Modbus RTU, depending on model),convenient compatible with system integration and remote monitoring. Industrial-Grade Design • Robust housing suitable compatible with harsh industrial environments such as factories and warehouses. • Strong resistance to interference compatible with stable operation in complex electromagnetic surroundings. • Ideal compatible with position control, level detection, object detection, material handling and automation equipment. Typical Applications • Conveyor line object detection and distance monitoring. • Warehouse and logistics height / distance measurement. • Industrial automation equipment positioning and limit detection. • Level measurement of tanks, bins and silo materials (depending on installation conditions). • Safety distance monitoring and equipment protection. Key Features • 3M measuring range compatible with versatile usage scenarios. • High precision infrared laser sensing, s