
A core safety component engineered for construction machinery lifting systems, specifically designed to integrate with PAT Load Moment Limiter (LML) systems on XCMG and other leading brands of mobile cranes and crawler cranes. It delivers real-time data on boom extension length and luffing angle to the crane’s control system, enabling precise load monitoring and preventing overloading incidents.
Product Overview
A core safety component engineered for construction machinery lifting systems, specifically designed to integrate with PAT Load Moment Limiter (LML) systems on XCMG and other leading brands of mobile cranes and crawler cranes. It delivers real-time data on boom extension length and luffing angle to the crane’s control system, enabling precise load monitoring and preventing overloading incidents.
Core Models & Technical Specifications
| Model | Compatible Crane Capacity | Length Measurement Range | Angle Measurement Range | Operating Voltage | Output Signal | Protection Class | Operating Temperature | Example Compatible Models |
| LWG21 | 25t–70t Mobile Crane | 0–35m | 0–160° | DC 15–36V | 4–20mA / RS485 | IP65 | -40°C ~ +85°C | XCMG QY25K, QY50K, QY70K |
| LWG22 | 80t–130t Mobile Crane | 0–50m | 0–180° | DC 15–36V | 4–20mA / RS485 | IP65 | -40°C ~ +85°C | XCMG QY100K, QY130K |
| LWG23 | 150t+ Crawler Crane | 0–80m | 0–170° | DC 15–36V | RS485 | IP66 | -40°C ~ +90°C | XCMG QUY150, QUY260 |