INSTALLATIONS Weight Measurement Range: 0T~400T. Resolving Ability: 0.1T. Synthetic Errors: â?¤5%F.S. Equipped with Output Interface RS485. Working Condition: ï¼?20ï½?60. Relative Moisture under Working Condition: 90%RHï¼?20ï¼?. Working Voltage: AC220V±25%. Preset Output Contact Capacity: AC220V 7A. IP Grade: weight sensor with IP68; Monitor with IP64.