... III grade,High accuracy 3, Easy installation,simple maintenance Electronic Truck Scale1. Material high quality steel(Q235).2. U-shaped Beam ... : 0--40 degree Celsius Relative humidity: <=90% RH(Non-condensation)Power Supply: 187--242V AC or 12V DCSensor protection grade: IP68Foundation ... ,weighing indicator,junction box,signal cables,connection bolts etc. Electronic Truck Scale