| 摘要 |
The invention proposes a metering device (2) for the metered addition of detergents, washing or cleaning agents to household appliances (1), particularly dishwashers, comprising at least one exchangeable unit (26), which includes a container for receiving at least one detergent (18) for at least 2 cleaning cycles. In order to reduce the risk of faulty operation, particularly by selecting wrong detergents, a coding unit (2a; 11; 12, 14; 19; 24; 27, 28; 30, 31) is provided. |
