... External Barrel50kgNew type of Oxygen BombNoOxygen Bomb IdentificationNoCAN Bus InterfaceNoSelf-diagnostic FunctionYesComplete Appliance Crust ShapedNoMax Power1 kWVoltageAC220V±10% 50Hz±1HzMainframe Size600 ... whole test process. 3. Low failure rate, self protection, self-diagnostic function, easy trouble shooting and maintaining. 4. Asynchronism Multi-Control ...