... Resolving capability: 0.001Abs11.Temperature control: room temperature, 25°C, 30°C or 37°C by Peltier device12.Temperature-control accuracy: ± 0.5° ... -in thermal printer, paper width: 110mm19.Environmental temperature: 10°C~30°C20.Relative environmental humidity: <=80%21.Drift: <=0 ... .Open program25.Reagent: open, free choice26.Standard RS-232 interface27.Power supply: 220V±10%, 50Hz ±2%28.Size(mm): 482 ...