1. Four weight signals and two angle signals can be input (length measurement and wind speed signals can be connected); 2. 8-inch industrial-grade LCD liquid crystal display 3. Working environment temperature: -20℃~70℃ 4. Working environment humidity: 95% (25℃) 5. Working mode: continuous 6. Vibration: acceleration ≤5g (g is the acceleration of gravity) 7. System comprehensive error: ≤5%(FS) 8. Power consumption of the whole machine: less than 30W 9. Alarm volume: greater than 60db 10. Action error: ≤±3%(FS) 11. Protection level: IP55 12. Working voltage: AC220V or DC24V