The instruction manual for the tower crane safety monitoring device of Guangzhou Longdard Electronics Co., Ltd. includes system functions, tower crane collision warning, dangerous situation braking, tower crane area protection, and tower crane construction environment monitoring.
The RJ-101/102 tower crane safety monitoring instrument provides real‑time collision alerts, braking, zone protection, environmental monitoring and motion status tracking. It integrates rotation, swing, weight, torque, wind speed and tilt sensors, and supports remote monitoring and parameter adjustment from a control room.
The manual describes system functions, main performance specifications, component list, installation and wiring procedures, operating guidelines for drivers and managers, maintenance, warranty terms and safety precautions. This manual is written in Chinese.
| Rotation angle range | 0‑360° |
|---|---|
| Rotation angle resolution | < 0.18° |
| Travel sensor range | 0‑80 m |
| Travel sensor resolution | < 0.05 m |
| Hook height sensor range | 0‑300 m |
| Hook height sensor resolution | < 0.05 m |
| Load sensor range | 2‑20 t |
| Load sensor resolution | < 50 kg |
| Wind speed sensor range | 0‑40 m/s |
| Wind speed sensor resolution | 0.1 m/s |
| Tilt sensor range | 0‑15° |
| Tilt sensor resolution | 0.01° |
| Power supply | AC 220 V ±10% |
The instrument requires an AC 220 V ±10% power source.
The system provides a one‑year warranty with lifetime maintenance, starting from the invoice date.
The driver should stop operation, observe nearby tower cranes, and confirm safety distance before continuing.
Yes, the installation is designed not to alter the crane’s existing wiring or structure.